PCM INSPECTION [MZR-CD 2.2]

• The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output systems, and the PCM.

Terminal	Signal	Connected to	Test condition	Voltage (V)	Inspection item
1A	COMMON	Fuel injector No.2	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.2
1B	COMMON	Fuel injector No.3	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.3
1C	COMMON	Fuel injector No.4	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.4
1D	COMMON	Fuel injector No.1	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.1
1E	—	—	—	—	—
1F	Fuel injector No.3	Fuel injector No.3	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.3
1G	—	—	—	—	—
1H	Fuel injector No.1	Fuel injector No.1	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.1
1I	Fuel injector No.2	Fuel injector No.2	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.2
1J	—	—	—	—	—
1K	Fuel injector No.4	Fuel injector No.4	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fuel injector No.4
1L	—	—	—	—	—
1M	—	—	—	—	—
1N	—	—	—	—	—
1O	—	—	—	—	—
1P	—	—	—	—	—
1Q	—	—	—	—	—
1R	—	—	—	—	—
1S	—	—	—	—	—
1T	—	—	—	—	—
1U	—	—	—	—	—
1V	MAF	MAF/IAT sensor	Switch the ignition to ON	Approx. 0.7	• Related wiring harness • MAF/IAT sensor
Idle	Approx. 1.6
Engine speed 2,000 rpm	Approx. 2.4
1W	—	—	—	—	—
1X	Refrigerant pressure switch (middle)	Refrigerant pressure switch (middle)	Refrigerant pressure is more than the specification. (Refrigerant pressure switch (middle) is on.)	Below 1.0	• Related wiring harness • Refrigerant pressure switch (middle)
Refrigerant pressure is less than the specification. (Refrigerant pressure switch (middle) is off.)	B+
1Y	Ground	MAF/IAT sensor	Under any condition	Below 1.0	• Related wiring harness • MAF/IAT sensor
1Z	Fuel temperature	Fuel temperature sensor	Switch the ignition to ON	Fuel temperature 40 °C {104 °F}	Approx. 1.6	• Related wiring harness • Fuel temperature sensor
Fuel temperature 45 °C {113 °F}	Approx. 1.3
1AA	Ground	Fuel injector No.2, No.3 shield wire	Under any condition	Below 1.0	• Related wiring harness
1AB	—	—	—	—	—
1AC	Ground	Exhaust gas pressure sensor	Under any condition	Below 1.0	• Related wiring harness • Exhaust gas pressure sensor
1AD	Exhaust gas pressure	Exhaust gas pressure sensor	Switch the ignition to ON	Approx. 1.0	• Related wiring harness • Exhaust gas pressure sensor
Idle	Approx. 1.2
1AE	Ground	Fuel injector No.1, No.4 shield wire	Under any condition	Below 1.0	• Related wiring harness
1AF	Refrigerant pressure (low, high)	Refrigerant pressure switch (low/high)	Refrigerant pressure is more than the specification or less than the specification. (Refrigerant pressure switch (low pressure switch, high pressure switch) is off.)	Below 1.0	• Related wiring harness • Refrigerant pressure switch (low pressure switch, high pressure switch)
Others	B+
1AG	—	—	—	—	—
1AH	EGR valve position	EGR valve position sensor	Switch the ignition to ON	Below 1.0	• Related wiring harness • EGR valve
EGR valve opening angle 36.5%	Approx. 2.0
1AI	Ground	Boost sensor	Under any condition	Below 1.0	• Related wiring harness • Boost sensor
1AJ	—	—	—	—	—
1AK	Ground	Exhaust gas temperature sensor No.1, No.2	Under any condition	Below 1.0	• Related wiring harness • Exhaust gas temperature sensor No.1, No.2
1AL	Exhaust gas temperature	Exhaust gas temperature sensor No.1	Exhaust gas temperature 50 °C {122 °F}	Approx. 5.0	• Related wiring harness • Exhaust gas temperature sensor No.1
1AM	Ground	Cruise control switch	Under any condition	Below 1.0	• Related wiring harness • Cruise control switch
1AN	—	—	—	—	—
1AO	—	—	—	—	—
1AP	Exhaust gas temperature	Exhaust gas temperature sensor No.2	Exhaust gas temperature 50 °C {122 °F}	Approx. 5.0	• Related wiring harness • Exhaust gas temperature sensor No.2
1AQ	Ground	Guide blade actuator position sensor	Under any condition	Below 1.0	• Related wiring harness • Guide blade actuator position sensor
1AR	—	—	—	—	—
1AS	Ground	Exhaust gas temperature sensor No.3	Under any condition	Below 1.0	• Related wiring harness • Exhaust gas temperature sensor No.3
1AT	Exhaust gas temperature	Exhaust gas temperature sensor No.3	Exhaust gas temperature 50 °C {122 °F}	Approx. 5.0	• Related wiring harness • Exhaust gas temperature sensor No.3
1AU	Glow	Glow plug	15s from 20 °C {68 °F} or less in water temperature and switch the ignition to ON	B+	• Related wiring harness • Glow plug • Glow plug relay
Engine running after warm up	Below 1.0
1AV	—	—	—	—	—
1AW	Ground	Exhaust gas pressure correction temperature sensor	Under any condition	Below 1.0	• Related wiring harness • Exhaust gas pressure correction temperature sensor
1AX	Exhaust gas pressure correction temperature	Exhaust gas pressure correction temperature sensor	Switch the ignition to ON	Near temperature of sensor 20 °C {68 °F}	Approx. 2.3	• Related wiring harness • Exhaust gas pressure correction temperature sensor
Near temperature of sensor 80 °C {176 °F}	Approx. 0.5
1AY	MAP	Boost sensor	Switch the ignition to ON (at sea level)	Approx. 1.1	• Related wiring harness • Boost sensor
Idle (after warm up)	Approx. 0.7
1AZ	Sedimentor	Sedimentor switch	Sedimentor switch is ON	Below 1.0	• Related wiring harness • Sedimentor switch
Sedimentor switch is OFF	B+
1BA	Ground	IAT sensor No.2	Under any condition	Below 1.0	• Related wiring harness • IAT sensor No.2
1BB	IAT	IAT sensor No.2	Switch the ignition to ON	IAT 30 °C {86 °F}	Approx. 1.9	• Related wiring harness • IAT sensor No.2
IAT 40 °C {104 °F}	Approx. 1.47
1BC	Cruise	Cruise control switch	OFF switch pressed in	Below 1.0	• Related wiring harness • Cruise control switch
Cancel switch pressed in	Approx. 1.0
Set (-) switch pressed in	Approx. 1.9
Set (+) switch pressed in	Approx. 2.7
RESUME switch pressed in	Approx. 3.4
ON switch pressed in	Approx. 4.0
1BD	Generator field coil control	Generator	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Generator
1BE	Ground	ECT sensor, Fuel temperature sensor, Intake shutter valve, EGR valve	Under any condition	Below 1.0	• Related wiring harness • ECT sensor • Fuel temperature sensor • Intake shutter valve • EGR valve
1BF	ECT	ECT sensor	Switch the ignition to ON	ECT 30 °C {86 °F}	Approx. 2.6	• Related wiring harness • ECT sensor
ECT 50 °C {122 °F}	Approx. 1.7
ECT 60 °C {140 °F}	Approx. 1.4
ECT 80 °C {176 °F}	Approx. 0.9
1BG	—	—	—	—	—
1BH	—	—	—	—	—
1BI	Ground	Fuel pressure sensor	Under any condition	Below 1.0	• Related wiring harness • Fuel pressure sensor
1BJ	Fuel pressure	Fuel pressure sensor	Switch the ignition to ON	Approx. 0.9	• Related wiring harness • Fuel pressure sensor
Idle	Approx. 1.4
Engine speed is 3,000 rpm	Approx. 2.0
1BK	Generator output voltage	Generator	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness
1BL	—	—	—	—	—
1BM	Ground	Fuel pressure sensor shield wire	Under any condition	Below 1.0	• Related wiring harness • Fuel pressure sensor
1BN	—	—	—	—	—
1BO	—	—	—	—	—
1BP	VBC solenoid valve	VBC solenoid valve	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • VBC solenoid valve
1BQ	CMP (G-)	CMP sensor	Idle	Below 1.0	• Related wiring harness • CMP sensor
1BR	CMP (G+)	CMP sensor	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • CMP sensor
1BS	Guide blade actuator position	Guide blade actuator position sensor	Switch the ignition to ON	Below 1.0	• Related wiring harness • Guide blade actuator position sensor
Idle	Approx. 4.5
Engine speed is 3,000 rpm	Approx. 3.0
1BT	Glow	Glow plug relay	15 s from when switch the ignition to ON position with ECT at 20 °C {68 °F} or less	B+	• Related wiring harness • Glow plug relay
Idle	Below 1.0
1BU	CKP (NE-)	CKP sensor	Idle	Below 1.0	• Related wiring harness • CKP sensor
1BV	CKP (NE+)	CKP sensor	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • CKP sensor
1BW	—	—	—	—	—
1BX	A/C	A/C relay	A/C operating	Below 1.0	• Related wiring harness • A/C relay
A/C not operating	B+
1BY	Constant voltage (Vref)	CMP sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • CMP sensor
1BZ	—	—	—	—	—
1CA	—	—	—	—	—
1CB	Starter	Starter relay	Cranking	Below 1.0	• Related wiring harness • Starter relay
1CC	Constant voltage (Vref)	EGR valve, Intake shutter valve, CKP sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • EGR valve • Intake shutter valve • CKP sensor
1CD	Constant voltage (Vref)	Exhaust gas pressure sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • Exhaust gas pressure sensor
1CE	—	—	—	—	—
1CF	—	—	—	—	—
1CG	—	—	—	—	—
1CH	Constant voltage (Vref)	Fuel pressure sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • Fuel pressure sensor
1CI	—	—	—	—	—
1CJ	EGR cooler bypass valve	EGR cooler bypass valve solenoid valve	Switch the ignition to ON	B+	• Related wiring harness • EGR cooler bypass valve solenoid valve
Idle	Below 1.0
1CK	—	—	—	—	—
1CL	Constant voltage (Vref)	Boost sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • Boost sensor
1CM	—	—	—	—	—
1CN	—	—	—	—	—
1CO	—	—	—	—	—
1CP	Constant voltage (Vref)	Guide blade actuator position sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • Guide blade actuator position sensor
1CQ	—	—	—	—	—
1CR	—	—	—	—	—
2A	Ground	Body ground	Under any condition	Below 1.0	• Related wiring harness
2B	Ground	Body ground	Under any condition	Below 1.0	• Related wiring harness
2C	B+	Main relay	Main relay ON	B+	• Related wiring harness • Main relay
Main relay OFF	Below 1.0
2D	Ground	Body ground	Under any condition	Below 1.0	• Related wiring harness
2E	Ground	Body ground	Under any condition	Below 1.0	• Related wiring harness
2F	B+	Main relay	Main relay ON	B+	• Related wiring harness • Main relay
Main relay OFF	Below 1.0
2G	Ground	Suction control valve	Under any condition	Below 1.0	• Related wiring harness • Suction control valve
2H	Suction control valve	Suction control valve	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Suction control valve
2I	Main relay control	Main relay	Switch the ignition to ON	Below 1.0	• Related wiring harness • Main relay
Switch the ignition to off	B+
2J	Back-up power supply	Battery	Under any condition	B+	• Related wiring harness • Battery
2K	—	—	—	—	—
2L	—	—	—	—	—
2M	—	—	—	—	—
2N	IG	Ignition switch	Switch the ignition to ON and Start position	B+	• Related wiring harness
Switch the ignition to other position	Below 1.0
2O	—	—	—	—	—
2P	—	—	—	—	—
2Q	Fan control	Fan control module No.1	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fan control module No.1
2R	—	—	—	—	—
2S	Constant voltage (Vref)	APP sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • APP sensor
2T	Constant voltage (Vref)	APP sensor	Switch the ignition to ON	Approx. 5.0	• Related wiring harness • APP sensor
2U	Fan control	Fan control module No.2	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • Fan control module No.2
2V	—	—	—	—	—
2W	APP	APP sensor	Accelerator pedal released	Approx. 1.0	• Related wiring harness • APP sensor
Accelerator pedal depressed	Approx. 3.3
2X	APP	APP sensor	Accelerator pedal released	Approx. 1.6	• Related wiring harness • APP sensor
Accelerator pedal depressed	Approx. 3.9
2Y	—	—	—	—	—
2Z	—	—	—	—	—
2AA	Ground	APP sensor	Under any condition	Below 1.0	• Related wiring harness • APP sensor
2AB	Ground	APP sensor	Under any condition	Below 1.0	• Related wiring harness • APP sensor
2AC	—	—	—	—	—
2AD	CAN (H)	CAN system related modules	Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible	• Related wiring harness
2AE	A/F (-)	A/F sensor	Idle	Approx. 2.1	• Related wiring harness • A/F sensor
2AF	A/F (+)	A/F sensor	Idle	0 ↔1	• Related wiring harness • A/F sensor
2AG	—	—	—	—	—
2AH	CAN (L)	CAN system related modules	Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible	• Related wiring harness
2AI	—	—	—	—	—
2AJ	—	—	—	—	—
2AK	Brake signal 2	Brake switch (No.2 signal)	Brake pedal depressed	B+	• Related wiring harness • Brake switch (No.2 signal)
Brake pedal released	Below 1.0
2AL	Clutch	CPP switch	Clutch pedal depressed	Below 1.0	• Related wiring harness • CPP switch
Clutch pedal released	B+
2AM	Ground	MAF/IAT sensor	Under any condition	Below 1.0	• Related wiring harness • MAF/IAT sensor
2AN	IAT	MAF/IAT sensor	Switch the ignition to ON	IAT 30 °C {86 °F}	Approx. 1.9	• Related wiring harness • MAF/IAT sensor
IAT 40 °C {104 °F}	Approx. 1.5
2AO	Brake signal 1	Brake switch (No.1 signal)	Brake pedal depressed	B+	• Related wiring harness • Brake switch (No.1 signal)
Brake pedal released	Below 1.0
2AP	Starter	Ignition switch, Starter relay	Switch the ignition to START position	B+	• Related wiring harness • Ignition switch • Starter relay
Switch the ignition to other position	Below 1.0
2AQ	—	—	—	—	—
2AR	Intake shutter valve position	Intake shutter valve position sensor	Idle	Approx. 0.7	• Related wiring harness • Intake shutter valve position sensor
Switch the ignition to ON	Approx. 4.1
2AS	—	—	—	—	—
2AT	Neutral	Neutral switch	Neutral	Below 1.0	• Related wiring harness • Neutral switch
Other	B+
2AU	—	—	—	—	—
2AV	—	—	—	—	—
2AW	—	—	—	—	—
2AX	—	—	—	—	—
2AY	—	—	—	—	—
2AZ	Ground	A/F sensor shield wire	Under any condition	Below 1.0	• Related wiring harness
2BA	Intake shutter valve (ISV-)	Intake shutter valve	Idle	0 ↔B+	• Related wiring harness • Intake shutter valve
2BB	Intake shutter valve (ISV+)	Intake shutter valve	Idle	0 ↔B+	• Related wiring harness • Intake shutter valve
2BC	—	—	—	—	—
2BD	A/F sensor heater	A/F sensor	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • A/F sensor
2BE	EGR valve (EGR-)	EGR valve	Idle	Below 1.0	• Related wiring harness • EGR valve
2BF	EGR valve (EGR+)	EGR valve	Inspect using the wave Profile. (See Inspection Using An Oscilloscope (Reference).)	• Related wiring harness • EGR valve

Terminal

Signal

Connected to

Test condition

Voltage (V)

Inspection item

COMMON

Fuel injector No.2

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.2

COMMON

Fuel injector No.3

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.3

COMMON

Fuel injector No.4

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.4

COMMON

Fuel injector No.1

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.1

—

Fuel injector No.3

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.3

—

Fuel injector No.1

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.1

Fuel injector No.2

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.2

—

Fuel injector No.4

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fuel injector No.4

—

MAF

MAF/IAT sensor

Switch the ignition to ON

Approx. 0.7

• Related wiring harness

• MAF/IAT sensor

Idle

Approx. 1.6

Engine speed 2,000 rpm

Approx. 2.4

—

Refrigerant pressure switch (middle)

Refrigerant pressure is more than the specification. (Refrigerant pressure switch (middle) is on.)

Below 1.0

• Related wiring harness

• Refrigerant pressure switch (middle)

Refrigerant pressure is less than the specification. (Refrigerant pressure switch (middle) is off.)

B+

Ground

MAF/IAT sensor

Under any condition

Below 1.0

• Related wiring harness

• MAF/IAT sensor

Fuel temperature

Fuel temperature sensor

Switch the ignition to ON

Fuel temperature

40 °C {104 °F}

Approx. 1.6

• Related wiring harness

• Fuel temperature sensor

Fuel temperature

45 °C {113 °F}

Approx. 1.3

1AA

Ground

Fuel injector No.2, No.3 shield wire

Under any condition

Below 1.0

• Related wiring harness

1AB

—

1AC

Ground

Exhaust gas pressure sensor

Under any condition

Below 1.0

• Related wiring harness

• Exhaust gas pressure sensor

1AD

Exhaust gas pressure

Exhaust gas pressure sensor

Switch the ignition to ON

Approx. 1.0

• Related wiring harness

• Exhaust gas pressure sensor

Idle

Approx. 1.2

1AE

Ground

Fuel injector No.1, No.4 shield wire

Under any condition

Below 1.0

• Related wiring harness

1AF

Refrigerant pressure (low, high)

Refrigerant pressure switch (low/high)

Refrigerant pressure is more than the specification or less than the specification. (Refrigerant pressure switch (low pressure switch, high pressure switch) is off.)

Below 1.0

• Related wiring harness

• Refrigerant pressure switch (low pressure switch, high pressure switch)

Others

B+

1AG

—

1AH

EGR valve position

EGR valve position sensor

Switch the ignition to ON

Below 1.0

• Related wiring harness

• EGR valve

EGR valve opening angle 36.5%

Approx. 2.0

1AI

Ground

Boost sensor

Under any condition

Below 1.0

• Related wiring harness

• Boost sensor

1AJ

—

1AK

Ground

Exhaust gas temperature sensor No.1, No.2

Under any condition

Below 1.0

• Related wiring harness

• Exhaust gas temperature sensor No.1, No.2

1AL

Exhaust gas temperature

Exhaust gas temperature sensor No.1

Exhaust gas temperature 50 °C {122 °F}

Approx. 5.0

• Related wiring harness

• Exhaust gas temperature sensor No.1

1AM

Ground

Cruise control switch

Under any condition

Below 1.0

• Related wiring harness

• Cruise control switch

1AN

—

1AO

—

1AP

Exhaust gas temperature

Exhaust gas temperature sensor No.2

Exhaust gas temperature 50 °C {122 °F}

Approx. 5.0

• Related wiring harness

• Exhaust gas temperature sensor No.2

1AQ

Ground

Guide blade actuator position sensor

Under any condition

Below 1.0

• Related wiring harness

• Guide blade actuator position sensor

1AR

—

1AS

Ground

Exhaust gas temperature sensor No.3

Under any condition

Below 1.0

• Related wiring harness

• Exhaust gas temperature sensor No.3

1AT

Exhaust gas temperature

Exhaust gas temperature sensor No.3

Exhaust gas temperature 50 °C {122 °F}

Approx. 5.0

• Related wiring harness

• Exhaust gas temperature sensor No.3

1AU

Glow

Glow plug

15s from 20 °C {68 °F} or less in water temperature and switch the ignition to ON

B+

• Related wiring harness

• Glow plug

• Glow plug relay

Engine running after warm up

Below 1.0

1AV

—

1AW

Ground

Exhaust gas pressure correction temperature sensor

Under any condition

Below 1.0

• Related wiring harness

• Exhaust gas pressure correction temperature sensor

1AX

Exhaust gas pressure correction temperature

Exhaust gas pressure correction temperature sensor

Switch the ignition to ON

Near temperature of sensor 20 °C {68 °F}

Approx. 2.3

• Related wiring harness

• Exhaust gas pressure correction temperature sensor

Near temperature of sensor 80 °C {176 °F}

Approx. 0.5

1AY

MAP

Boost sensor

Switch the ignition to ON (at sea level)

Approx. 1.1

• Related wiring harness

• Boost sensor

Idle (after warm up)

Approx. 0.7

1AZ

Sedimentor

Sedimentor switch

Sedimentor switch is ON

Below 1.0

• Related wiring harness

• Sedimentor switch

Sedimentor switch is OFF

B+

1BA

Ground

IAT sensor No.2

Under any condition

Below 1.0

• Related wiring harness

• IAT sensor No.2

1BB

IAT

IAT sensor No.2

Switch the ignition to ON

IAT 30 °C

{86 °F}

Approx. 1.9

• Related wiring harness

• IAT sensor No.2

IAT 40 °C

{104 °F}

Approx. 1.47

1BC

Cruise

Cruise control switch

OFF switch pressed in

Below 1.0

• Related wiring harness

• Cruise control switch

Cancel switch pressed in

Approx. 1.0

Set (-) switch pressed in

Approx. 1.9

Set (+) switch pressed in

Approx. 2.7

RESUME switch pressed in

Approx. 3.4

ON switch pressed in

Approx. 4.0

1BD

Generator field coil control

Generator

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Generator

1BE

Ground

ECT sensor, Fuel temperature sensor, Intake shutter valve, EGR valve

Under any condition

Below 1.0

• Related wiring harness

• ECT sensor

• Fuel temperature sensor

• Intake shutter valve

• EGR valve

1BF

ECT

ECT sensor

Switch the ignition to ON

ECT 30 °C

{86 °F}

Approx. 2.6

• Related wiring harness

• ECT sensor

ECT 50 °C

{122 °F}

Approx. 1.7

ECT 60 °C

{140 °F}

Approx. 1.4

ECT 80 °C

{176 °F}

Approx. 0.9

1BG

—

1BH

—

1BI

Ground

Fuel pressure sensor

Under any condition

Below 1.0

• Related wiring harness

• Fuel pressure sensor

1BJ

Fuel pressure

Fuel pressure sensor

Switch the ignition to ON

Approx. 0.9

• Related wiring harness

• Fuel pressure sensor

Idle

Approx. 1.4

Engine speed is 3,000 rpm

Approx. 2.0

1BK

Generator output voltage

Generator

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

1BL

—

1BM

Ground

Fuel pressure sensor shield wire

Under any condition

Below 1.0

• Related wiring harness

• Fuel pressure sensor

1BN

—

1BO

—

1BP

VBC solenoid valve

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• VBC solenoid valve

1BQ

CMP (G-)

CMP sensor

Idle

Below 1.0

• Related wiring harness

• CMP sensor

1BR

CMP (G+)

CMP sensor

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• CMP sensor

1BS

Guide blade actuator position

Guide blade actuator position sensor

Switch the ignition to ON

Below 1.0

• Related wiring harness

• Guide blade actuator position sensor

Idle

Approx. 4.5

Engine speed is 3,000 rpm

Approx. 3.0

1BT

Glow

Glow plug relay

15 s from when switch the ignition to ON position with ECT at 20 °C {68 °F} or less

B+

• Related wiring harness

• Glow plug relay

Idle

Below 1.0

1BU

CKP (NE-)

CKP sensor

Idle

Below 1.0

• Related wiring harness

• CKP sensor

1BV

CKP (NE+)

CKP sensor

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• CKP sensor

1BW

—

1BX

A/C

A/C relay

A/C operating

Below 1.0

• Related wiring harness

• A/C relay

A/C not operating

B+

1BY

Constant voltage (Vref)

CMP sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• CMP sensor

1BZ

—

1CA

—

1CB

Starter

Starter relay

Cranking

Below 1.0

• Related wiring harness

• Starter relay

1CC

Constant voltage (Vref)

EGR valve, Intake shutter valve, CKP sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• EGR valve

• Intake shutter valve

• CKP sensor

1CD

Constant voltage (Vref)

Exhaust gas pressure sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• Exhaust gas pressure sensor

1CE

—

1CF

—

1CG

—

1CH

Constant voltage (Vref)

Fuel pressure sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• Fuel pressure sensor

1CI

—

1CJ

EGR cooler bypass valve

EGR cooler bypass valve solenoid valve

Switch the ignition to ON

B+

• Related wiring harness

• EGR cooler bypass valve solenoid valve

Idle

Below 1.0

1CK

—

1CL

Constant voltage (Vref)

Boost sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• Boost sensor

1CM

—

1CN

—

1CO

—

1CP

Constant voltage (Vref)

Guide blade actuator position sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• Guide blade actuator position sensor

1CQ

—

1CR

—

Ground

Body ground

Under any condition

Below 1.0

• Related wiring harness

Ground

Body ground

Under any condition

Below 1.0

• Related wiring harness

B+

Main relay

Main relay ON

B+

• Related wiring harness

• Main relay

Main relay OFF

Below 1.0

Ground

Body ground

Under any condition

Below 1.0

• Related wiring harness

Ground

Body ground

Under any condition

Below 1.0

• Related wiring harness

B+

Main relay

Main relay ON

B+

• Related wiring harness

• Main relay

Main relay OFF

Below 1.0

Ground

Suction control valve

Under any condition

Below 1.0

• Related wiring harness

• Suction control valve

Suction control valve

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Suction control valve

Main relay control

Main relay

Switch the ignition to ON

Below 1.0

• Related wiring harness

• Main relay

Switch the ignition to off

B+

Back-up power supply

Battery

Under any condition

B+

• Related wiring harness

• Battery

—

Ignition switch

Switch the ignition to ON and Start position

B+

• Related wiring harness

Switch the ignition to other position

Below 1.0

—

Fan control

Fan control module No.1

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fan control module No.1

—

Constant voltage (Vref)

APP sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• APP sensor

Constant voltage (Vref)

APP sensor

Switch the ignition to ON

Approx. 5.0

• Related wiring harness

• APP sensor

Fan control

Fan control module No.2

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• Fan control module No.2

—

APP

APP sensor

Accelerator pedal released

Approx. 1.0

• Related wiring harness

• APP sensor

Accelerator pedal depressed

Approx. 3.3

APP

APP sensor

Accelerator pedal released

Approx. 1.6

• Related wiring harness

• APP sensor

Accelerator pedal depressed

Approx. 3.9

—

2AA

Ground

APP sensor

Under any condition

Below 1.0

• Related wiring harness

• APP sensor

2AB

Ground

APP sensor

Under any condition

Below 1.0

• Related wiring harness

• APP sensor

2AC

—

2AD

CAN (H)

CAN system related modules

Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible

• Related wiring harness

2AE

A/F (-)

A/F sensor

Idle

Approx. 2.1

• Related wiring harness

• A/F sensor

2AF

A/F (+)

A/F sensor

Idle

0 ↔1

• Related wiring harness

• A/F sensor

2AG

—

2AH

CAN (L)

CAN system related modules

Because this terminal is for CAN, good/no good judgment by terminal voltage is not possible

• Related wiring harness

2AI

—

2AJ

—

2AK

Brake signal 2

Brake switch (No.2 signal)

Brake pedal depressed

B+

• Related wiring harness

• Brake switch (No.2 signal)

Brake pedal released

Below 1.0

2AL

Clutch

CPP switch

Clutch pedal depressed

Below 1.0

• Related wiring harness

• CPP switch

Clutch pedal released

B+

2AM

Ground

MAF/IAT sensor

Under any condition

Below 1.0

• Related wiring harness

• MAF/IAT sensor

2AN

IAT

MAF/IAT sensor

Switch the ignition to ON

IAT 30 °C

{86 °F}

Approx. 1.9

• Related wiring harness

• MAF/IAT sensor

IAT 40 °C

{104 °F}

Approx. 1.5

2AO

Brake signal 1

Brake switch (No.1 signal)

Brake pedal depressed

B+

• Related wiring harness

• Brake switch (No.1 signal)

Brake pedal released

Below 1.0

2AP

Starter

Ignition switch, Starter relay

Switch the ignition to START position

B+

• Related wiring harness

• Ignition switch

• Starter relay

Switch the ignition to other position

Below 1.0

2AQ

—

2AR

Intake shutter valve position

Intake shutter valve position sensor

Idle

Approx. 0.7

• Related wiring harness

• Intake shutter valve position sensor

Switch the ignition to ON

Approx. 4.1

2AS

—

2AT

Neutral

Neutral switch

Neutral

Below 1.0

• Related wiring harness

• Neutral switch

Other

B+

2AU

—

2AV

—

2AW

—

2AX

—

2AY

—

2AZ

Ground

A/F sensor shield wire

Under any condition

Below 1.0

• Related wiring harness

2BA

Intake shutter valve (ISV-)

Intake shutter valve

Idle

0 ↔B+

• Related wiring harness

• Intake shutter valve

2BB

Intake shutter valve (ISV+)

Intake shutter valve

Idle

0 ↔B+

• Related wiring harness

• Intake shutter valve

2BC

—

2BD

A/F sensor heater

A/F sensor

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• A/F sensor

2BE

EGR valve (EGR-)

EGR valve

Idle

Below 1.0

• Related wiring harness

• EGR valve

2BF

EGR valve (EGR+)

EGR valve

Inspect using the wave Profile.

(See Inspection Using An Oscilloscope (Reference).)

• Related wiring harness

• EGR valve

Monitor item (Definition)	Unit/Condition	Condition/Specification (Reference)	Inspection item
AC_REQ (A/C switch)	OFF/ON	Refrigerant pressure switch is off: Off Others: On	A/C switch
AC_SW (A/C switch)	OFF/ON	A/C switch is on: ON A/C switch is off: OFF	A/C switch
ACCS (Air conditioning compressor cycling switch)	OFF/ON	A/C switch ON and fan switch ON: On Others: Off	Inspect following PIDs: AC_REQ, APP1, APP2, ECT, RPM
ACP_SW (A/C pressure switch)	OFF/ON	Refrigerant pressure switch is off: OFF Refrigerant pressure switch is on: ON	Refrigerant pressure switch
ALTF (Generator field coil control duty signal)	%	Switch the ignition to ON: 0 % Idle (after warm up): 0—100 %	Inspect following PIDs: IAT, ECT, RPM, VPWR, ALTT V
ALTT V (Generator output voltage)	V	Switch the ignition to ON: 0 V Idle (after warm up): Approx. 10 V	Generator
APP (Accelerator pedal position)	%	Accelerator pedal released: 0 % Accelerator pedal depressed: 100 %	Inspect following PIDs: APP1, APP2
APP1 (Accelerator pedal position sensor 1)	%	Accelerator pedal released: 0 % Accelerator pedal depressed: 100 %	APP sensor
V	Switch the ignition to ON	Accelerator pedal released: Approx. 1.5 V Accelerator pedal depressed: Approx. 3.9 V
APP2 (Accelerator pedal position sensor 2)	%	Accelerator pedal released: 0 % Accelerator pedal depressed: 100 %	APP sensor
V	Switch the ignition to ON	Accelerator pedal released: Approx. 1.0 V Accelerator pedal depressed: Approx. 3.4 V
ARPMDES (Target engine speed)	RPM	Switch the ignition to ON: 775 rpm Idle (after warm up): 750 rpm	Inspect following PIDs: IVS, AC_REQ, IAT, ECT, BOOST_DSD, FRP, RPM, VSS
BARO (Barometric pressure)	Pa	Indicates the barometric pressure.	—
V	BARO 99 kPa {1.0 kgf/cm ², 14 psi}: Approx. 3.6 V
BAT (Boost air temperature sensor)	°C	Displays the intake air temperature	Boost air temperature sensor
BAT_V (Boost air temperature sensor)	V	24 °C {75 °F}: Approx. 2.19 V 28 °C {82 °F}: Approx. 1.97 V
BOO (Brake ON/OFF)	OFF/ON	Brake pedal released: Off Brake pedal depressed: On	Brake switch (No.1 signal)
BOOST_DSD (Desired boost pressure)	Pa	Displays the desired boost pressure.	Perform applicable DTC troubleshooting.
CHRGLP (Generator warning light)	OFF/ON	Switch the ignition to ON: On Idle: Off	Perform applicable DTC troubleshooting.
COLP (Refrigerant pressure switch (middle))	OFF/ON	Refrigerant pressure (middle) is more than the specification: ON Refrigerant pressure (middle) is less than the specification: OFF	Refrigerant pressure switch (middle)
CPP (Clutch pedal position switch)	OFF/ON	Clutch pedal released: Off Clutch pedal depressed: On	CPP switch
DPF_LMP_CNT (Diesel particulate filter indicator light illumination count)	—	Displays the number of diesel particulate filter indicator light illuminations.	—
DPF_REG_CNT (Number of diesel particulate filter regeneration)	—	Displays the number of diesel particulate filter regenerations.	—
DSC_ACT (DSC control enable/disable)	OFF/ON	Switch the ignition to ON: Off Idle: On	—
ECT Engine coolant temperature	°C	Engine coolant temperature is displayed.	ECT sensor
V	ECT 30 °C {86 °F}: Approx. 2.6 V ECT 50 °C {122 °F}: Approx. 1.7 V ECT 60 °C {140 °F}: Approx. 1.4 V ECT 80 °C {176 °F}: Approx. 0.9 V
EGR_C_BP (EGR cooler bypass valve)	OFF/ON	ECT less than 65 °C {149 °F}, EXHTEMP less than 205 °C {401 °F}, RPM more than 500 rpm: ON Except above: OFF	EGR cooler bypass valve
EGR_LRN (EGR valve)	—	Indicates the engine coolant temperature.	EGR valve
EGRP (EGR valve)	V	EGR valve opening angle 11 %: Approx. 1.27 V	EGR valve
mm	EGR valve opening angle 11%: Approx.1.25 mm
%	Indicates the EGR valve opening angle.
ENG_STAT	Cranking / Running / Stalled	Indicates the engine conditions.	—
EQ_RAT11 (Equivalence Ratio (Lambda))	—	Idle: 1.99	Inspect following PIDs: BAT, BAT_V, IAT, ECT, O2S11, O2S11_CAL, O2S11_MODE
EXH_FL (Exhaust gas flow amount)	—	Indicates the exhaust gas flow amount.	—
EXHPRESS_DIF (Exhaust gas pressure sensor)	Pa	Indicates the difference in exhaust gas pressure before and after passing the diesel particulate filter.	Exhaust gas pressure sensor
V
EXHTEMP1 (Exhaust gas temperature sensor)	V	58 °C {136 °F}: 4.94V 74 °C {165 °F}: 4.89V	Exhaust gas temperature sensor No.1
°C	Indicates the exhaust gas temperature.
EXHTEMP2 (Exhaust gas temperature sensor)	V	56 °C {133 °F}: 4.93V 63 °C {145 °F}: 4.92V	Exhaust gas temperature sensor No.2
°C	Indicates the exhaust gas temperature.
EXHTEMP3 (Exhaust gas temperature sensor)	V	50 °C {122 °F}: 4.96V 60 °C {140 °F}: 4.92V	Exhaust gas temperature sensor No.3
°C	Indicates the exhaust gas temperature.
FAN_DUTY (Fan control module)	%	Idle	A/C switch off: 0 % A/C switch ON: 65 %	Fan control module
Fl_LRN_01 (Fuel injector No.1)	—	Fuel injection learning value (injector 1 at 35MPa)	Fuel injector No.1
Fl_LRN_02 (Fuel injector No.2)	—	Fuel injection learning value (injector 2 at 35MPa)	Fuel injector No.2
Fl_LRN_03 (Fuel injector No.3)	—	Fuel injection learning value (injector 3 at 35MPa)	Fuel injector No.3
Fl_LRN_04 (Fuel injector No.4)	—	Fuel injection learning value (injector 4 at 35MPa)	Fuel injector No.4
Fl_LRN_11 (Fuel injector No.1)	—	Fuel injection learning value (injector 1 at 65MPa)	Fuel injector No.1
Fl_LRN_12 (Fuel injector No.2)	—	Fuel injection learning value (injector 2 at 65MPa)	Fuel injector No.2
Fl_LRN_13 (Fuel injector No.3)	—	Fuel injection learning value (injector 3 at 65MPa)	Fuel injector No.3
Fl_LRN_14 (Fuel injector No.4)	—	Fuel injection learning value (injector 4 at 65MPa)	Fuel injector No.4
Fl_LRN_21 (Fuel injector No.1)	—	Fuel injection learning value (injector 1 at 100MPa)	Fuel injector No.1
Fl_LRN_22 (Fuel injector No.2)	—	Fuel injection learning value (injector 2 at 100MPa)	Fuel injector No.2
Fl_LRN_23 (Fuel injector No.3)	—	Fuel injection learning value (injector 3 at 100MPa)	Fuel injector No.3
Fl_LRN_24 (Fuel injector No.4)	—	Fuel injection learning value (injector 4 at 100MPa)	Fuel injector No.4
Fl_LRN_31 (Fuel injector No.1)	—	Fuel injection learning value (injector 1 at 140MPa)	Fuel injector No.1
Fl_LRN_32 (Fuel injector No.2)	—	Fuel injection learning value (injector 2 at 140MPa)	Fuel injector No.2
Fl_LRN_33 (Fuel injector No.3)	—	Fuel injection learning value (injector 3 at 140MPa)	Fuel injector No.3
Fl_LRN_34 (Fuel injector No.4)	—	Fuel injection learning value (injector 4 at 140MPa)	Fuel injector No.4
FIA_DSD (Fuel injector)	—	Indicates the desired injector correction.	Fuel injector
FIP_FL (Supply pump flow control)	A	Idle: Approx. 1.8 A	Inspect following PIDs: AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS
FIP_FL_DSD (Supply pump flow desired)	—	Switch the ignition to ON: Approx. 0 mm ³/stroke Idle: Approx. 23 mm ³/stroke	Inspect following PIDs: AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS
FIP_LRN (Supply pump learning amount)	NOT_LRN / TMP_LRN / CMP_LRN	Indicates the supply pump learning amount.	Inspect following PIDs: AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS
A
FIP_SCV (Supply pump suction control valve)	A	Switch the ignition to ON: Approx. 2 mA Idle: Approx. 1.78 A	Inspect following PIDs: AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS
FLT (Fuel temperature)	°C	Indicates the fuel temperature.	Fuel temperature sensor
FP (Fuel pump)	%	Idle (after warm up): Approx. 45%	Supply pump, ECT sensor Inspect following PID: RPM
FRP (Fuel pressure sensor)	V	Switch the ignition to ON: Approx. 1 V Idle: Approx. 1.4 V 3,000 rpm: Approx. 2.0 V	Fuel pressure sensor
Pa	Switch the ignition to ON: 0 kPa {0 kgf/cm ², 0 psi} Idle: Approx. 35 MPa {357 kgf/cm ², 5,076 psi} 3,000 rpm: Approx. 64 MPa {653 kgf/cm ², 9,298 psi}
FRP_DSD (Fuel rail pressure desired)	Pa	Switch the ignition to ON: 0 kPa {0 kgf/cm ², 0 psi} Idle: Approx. 35 MPa {357 kgf/cm ², 5,076 psi}
GENVDSD (Generator voltage desired)	V	Indicates the generator voltage desired.	Perform applicable DTC troubleshooting.
GP_LMP (Glow indicator light)	OFF/ON	Glow indicator light Off: Off Glow indicator light ON: On	Inspect following PIDs: ECT, BOOST_DSD, VSS
GPC (Glow plug control)	OFF/ON	Switch the ignition to ON: Off Cranking: On Idle: Off
HTR11 (A/F sensor heater control)	%	Switch the ignition to ON: 0%	Inspect following PIDs: BAT, BAT_V, IAT, MAF, ECT, RPM
IAT (Intake air temperature)	V	30 °C {86 °F}: Approx. 1.9 V 40 °C {104 °F}: Approx. 1.5 V	IAT sensor
°C	Indicates the intake air temperature.
INGEAR (In gear)	OFF/ON	Vehicle in gear and clutch is released: ON Except above: OFF	Neutral switch
INJ_LRN_F1 (Injector learning mode failure code 1)	—	Displays the cause of the fuel injection amount learning error.	—
INJ_LRN_F2 (Injector learning mode failure code 2)	—	Displays the cause of the fuel injection amount learning error.	—
INJ1_CMP (Injector 1 correction value)	— (mm ³/stroke)	Displays the fuel injector No.1 correction value	Fuel injector No.1
INJ2_CMP (Injector 2 correction value)	— (mm ³/stroke)	Displays the fuel injector No.2 correction value	Fuel injector No.2
INJ3_CMP (Injector 3 correction value)	— (mm ³/stroke)	Displays the fuel injector No.3 correction value	Fuel injector No.3
INJ4_CMP (Injector 4 correction value)	— (mm ³/stroke)	Displays the fuel injector No.4 correction value	Fuel injector No.4
ISV_ACT (Intake shatter valve control actual)	°	Switch the ignition to ON: Approx. 91 ° Idle: 4.8 °	Intake shutter valve
ISV_DSD (Intake shatter valve control desired)	°	Switch the ignition to ON: Approx. 80.5 ° Idle: Approx. 4.3 °	Intake shutter valve
%	Switch the ignition to ON: Approx. 80.4 % Idle: Approx. 4.3 %
ISV_LRN_C (Intake shatter valve learning value-closed)	°	Idle: Approx. -0.59 °	Intake shutter valve
ISV_POS (Intake shatter valve position)	V	Switch the ignition to ON: Approx. 4.2 V Idle: Approx. 0.75 V	Intake shutter valve position sensor
%	Switch the ignition to ON: Approx. 90.6 % Idle: Approx. 3.7 %
IVS (Idle validation switch)	Idle/Off Idle	Accelerator pedal depressed: Off Idle Except above: Idle	—
LOAD (Engine load)	%	Switch the ignition to ON: 0 % Idle: Approx. 7.84 %	—
MAF (Mass air flow)	g/sec	Switch the ignition to ON: 0 g/s Idle: Approx. 6 g/s 2,000 rpm: Approx. 18 g/s	MAF sensor
V	Switch the ignition to ON: Approx. 0.65 V Idle: Approx. 1.5 V 2,000 rpm: Approx. 2.2 V
MAF_DSD (Mass air flow desired)	g/sec	Indicates the mass air flow desired.	MAF sensor
MAP (Boost sensor)	Pa	Indicates the manifold absolute pressure.	Boost sensor
V	Output voltage increases as the intake air pressure increases. • Switch the ignition to ON (at sea level): Approx. 1.1 V • Idle (after warm up): Approx. 0.7 V
MIL (Malfunction indicator lamp)	OFF/ON	Switch the ignition to ON: On Idle: Off	Perform applicable DTC troubleshooting.
MIL_DIS (The distance travelled since the MIL was activated)	Km	Indicate the travelled distance since the MIL illuminated.	—
O2 (A/F sensor)	%	Switch the ignition to ON: Approx. 0 %	A/F sensor
O2S11 (A/F sensor)	V	Switch the ignition to ON: Approx. 2.2 V
A	Switch the ignition to ON: Approx. 0 A
O2S11_CAL (A/F sensor calibration value)	—	Displays A/F sensor calibration value.
O2S11_MODE (A/F sensor activation status)	—	Displays the activation condition of the A/F sensor.
OIL_DIL (Engine oil dilution amount)	g	Displays the engine oil dilution amount	—
OIL_DIL_CNT (Number of engine oil deteriorated events)	—	Number of engine oil deteriorated events.	—
OILCHG_DIS (Distance from the last oil change)	Km	Displays distance from the last engine oil replace.	—
OILCHG_DIS2 (Distance since last oil change (Correction value))	Km	Displays distance from the last engine oil replace (correction value).	—
PM_ACC (PM accumulation amount)	—	Displays PM accumulation amount.	—
PM_ACC_DSD (PM accumulation amount desired)	—	Displays PM accumulation amount.	—
PM_GEN (PM generation amount)	—	Displays PM generation amount.	—
REG_DIS (Distance since last diesel particulate filter regeneration)	Km	Displays the distance travelled after diesel particulate filter regeneration.	—
REG_FAIL_C (Diesel particulate filter regeneration failure condition)	TIMEOUT/VSS_DET/ECT_HIGH/ECT_LOW	Displays the cause of the diesel particulate filter regeneration error.	—
REG_REQ_A (Automatic regeneration request)	OFF/ON	Displays ON during diesel particulate filter automatic regeneration.	—
REG_REQ_F (Forced regeneration request)	OFF/ON	Displays ON during diesel particulate filter manual regeneration.	—
RPM (Engine revolutions per minute)	RPM	Switch the ignition to ON: 0 RPM Idle (after warm up): 675—775 rpm	CKP sensor
SC_CANCEL (Cruise cancel switch)	Active/Inactive	Cruise cancel switch released: Inactive Cruise cancel switch depressed: Active	Cruise control switch
SC_LMP (Cruise indicator light)	OFF/ON	Cruise indicator light ON: On Cruise indicator light Off: Off
SC_OFF (Cruise control switch)	Active/Inactive	Cruise OFF switch released: Inactive Cruise OFF switch depressed: Active
SC_ON (Cruise control switch)	Active/Inactive	Cruise ON switch released: Inactive Cruise ON switch depressed: Active
SC_RES (Cruise resume switch)	Active/Inactive	Cruise resume switch released: Inactive Cruise resume switch depressed: Active
SC_SET- (Cruise control switch)	Active/Inactive	Cruise SET (-) switch released: Inactive Cruise SET (-) switch depressed: Active
SC_SET+ (Cruise control switch)	Active/Inactive	Cruise SET (+) switch released: Inactive Cruise SET (+) switch depressed: Active
SCCS (Speed control command switch)	V	Switch the ignition to ON: 5 V
SED_SW (Sedimentor switch)	OFF/ON	Displays the sedimentor switch	Sedimentor switch
TRQ_ISC (Torque correction for idle speed control)	Nm	Displays the Torque correction for idle speed control	—
VBC_POS (VBC position sensor)	V	Switch the ignition to ON: Approx. 0.1 V Idle: Approx. 4 V	Guide blade actuator position sensor
mm	Switch the ignition to ON: Approx. 10.6 mm Idle: Approx. 1.17 mm
VBCV (VBC solenoid valve control)	%	Switch the ignition to ON: 6 % Idle: Approx. 45.5 %	Inspect following PIDs: IVS, MAF, ECT, RPM Inspect VBC solenoid valve.
VPWR (Module supply voltage)	V	Switch the ignition to ON: B+	Battery Main relay
VSS Vehicle speed	KPH	Indicates the vehicle speed.	Perform applicable DTC troubleshooting.

Monitor item (Definition)

Unit/Condition

Condition/Specification (Reference)

Inspection item

AC_REQ

(A/C switch)

OFF/ON

Refrigerant pressure switch is off: Off

Others: On

A/C switch

AC_SW

(A/C switch)

OFF/ON

A/C switch is on: ON

A/C switch is off: OFF

A/C switch

ACCS

(Air conditioning compressor cycling switch)

OFF/ON

A/C switch ON and fan switch ON: On

Others: Off

Inspect following PIDs:

AC_REQ, APP1, APP2, ECT, RPM

ACP_SW

(A/C pressure switch)

OFF/ON

Refrigerant pressure switch is off: OFF

Refrigerant pressure switch is on: ON

Refrigerant pressure switch

ALTF

(Generator field coil control duty signal)

Switch the ignition to ON: 0 %

Idle (after warm up): 0—100 %

Inspect following PIDs:

IAT, ECT, RPM, VPWR, ALTT V

ALTT V

(Generator output voltage)

Switch the ignition to ON: 0 V

Idle (after warm up): Approx. 10 V

Generator

APP

(Accelerator pedal position)

Accelerator pedal released: 0 %

Accelerator pedal depressed: 100 %

Inspect following PIDs:

APP1, APP2

APP1

(Accelerator pedal position sensor 1)

Accelerator pedal released: 0 %

Accelerator pedal depressed: 100 %

APP sensor

Switch the ignition to ON

Accelerator pedal released: Approx. 1.5 V

Accelerator pedal depressed: Approx. 3.9 V

APP2

(Accelerator pedal position sensor 2)

Accelerator pedal released: 0 %

Accelerator pedal depressed: 100 %

APP sensor

Switch the ignition to ON

Accelerator pedal released: Approx. 1.0 V

Accelerator pedal depressed: Approx. 3.4 V

ARPMDES

(Target engine speed)

RPM

Switch the ignition to ON: 775 rpm

Idle (after warm up): 750 rpm

Inspect following PIDs:

IVS, AC_REQ, IAT, ECT, BOOST_DSD, FRP, RPM, VSS

BARO

(Barometric pressure)

Indicates the barometric pressure.

—

BARO 99 kPa {1.0 kgf/cm ², 14 psi}: Approx. 3.6 V

BAT

(Boost air temperature sensor)

°C

Displays the intake air temperature

Boost air temperature sensor

BAT_V

(Boost air temperature sensor)

24 °C {75 °F}: Approx. 2.19 V

28 °C {82 °F}: Approx. 1.97 V

BOO

(Brake ON/OFF)

OFF/ON

Brake pedal released: Off

Brake pedal depressed: On

Brake switch (No.1 signal)

BOOST_DSD

(Desired boost pressure)

Displays the desired boost pressure.

Perform applicable DTC troubleshooting.

CHRGLP

(Generator warning light)

OFF/ON

Switch the ignition to ON: On

Idle: Off

Perform applicable DTC troubleshooting.

COLP

(Refrigerant pressure switch (middle))

OFF/ON

Refrigerant pressure (middle) is more than the specification: ON

Refrigerant pressure (middle) is less than the specification: OFF

Refrigerant pressure switch (middle)

CPP

(Clutch pedal position switch)

OFF/ON

Clutch pedal released: Off

Clutch pedal depressed: On

CPP switch

DPF_LMP_CNT

(Diesel particulate filter indicator light illumination count)

—

Displays the number of diesel particulate filter indicator light illuminations.

—

DPF_REG_CNT

(Number of diesel particulate filter regeneration)

—

Displays the number of diesel particulate filter regenerations.

—

DSC_ACT

(DSC control enable/disable)

OFF/ON

Switch the ignition to ON: Off

Idle: On

—

ECT

Engine coolant temperature

°C

Engine coolant temperature is displayed.

ECT sensor

ECT 30 °C {86 °F}: Approx. 2.6 V

ECT 50 °C {122 °F}: Approx. 1.7 V

ECT 60 °C {140 °F}: Approx. 1.4 V

ECT 80 °C {176 °F}: Approx. 0.9 V

EGR_C_BP

(EGR cooler bypass valve)

OFF/ON

ECT less than 65 °C {149 °F}, EXHTEMP less than 205 °C {401 °F}, RPM more than 500 rpm: ON

Except above: OFF

EGR cooler bypass valve

EGR_LRN

(EGR valve)

—

Indicates the engine coolant temperature.

EGR valve

EGRP

(EGR valve)

EGR valve opening angle 11 %: Approx. 1.27 V

EGR valve

EGR valve opening angle 11%: Approx.1.25 mm

Indicates the EGR valve opening angle.

ENG_STAT

Cranking / Running / Stalled

Indicates the engine conditions.

—

EQ_RAT11

(Equivalence Ratio (Lambda))

—

Idle: 1.99

Inspect following PIDs:

BAT, BAT_V, IAT, ECT, O2S11, O2S11_CAL, O2S11_MODE

EXH_FL

(Exhaust gas flow amount)

—

Indicates the exhaust gas flow amount.

—

EXHPRESS_DIF

(Exhaust gas pressure sensor)

Indicates the difference in exhaust gas pressure before and after passing the diesel particulate filter.

Exhaust gas pressure sensor

EXHTEMP1

(Exhaust gas temperature sensor)

58 °C {136 °F}: 4.94V

74 °C {165 °F}: 4.89V

Exhaust gas temperature sensor No.1

°C

Indicates the exhaust gas temperature.

EXHTEMP2

(Exhaust gas temperature sensor)

56 °C {133 °F}: 4.93V

63 °C {145 °F}: 4.92V

Exhaust gas temperature sensor No.2

°C

Indicates the exhaust gas temperature.

EXHTEMP3

(Exhaust gas temperature sensor)

50 °C {122 °F}: 4.96V

60 °C {140 °F}: 4.92V

Exhaust gas temperature sensor No.3

°C

Indicates the exhaust gas temperature.

FAN_DUTY

(Fan control module)

Idle

A/C switch off: 0 %

A/C switch ON: 65 %

Fan control module

Fl_LRN_01

(Fuel injector No.1)

—

Fuel injection learning value (injector 1 at 35MPa)

Fuel injector No.1

Fl_LRN_02

(Fuel injector No.2)

—

Fuel injection learning value (injector 2 at 35MPa)

Fuel injector No.2

Fl_LRN_03

(Fuel injector No.3)

—

Fuel injection learning value (injector 3 at 35MPa)

Fuel injector No.3

Fl_LRN_04

(Fuel injector No.4)

—

Fuel injection learning value (injector 4 at 35MPa)

Fuel injector No.4

Fl_LRN_11

(Fuel injector No.1)

—

Fuel injection learning value (injector 1 at 65MPa)

Fuel injector No.1

Fl_LRN_12

(Fuel injector No.2)

—

Fuel injection learning value (injector 2 at 65MPa)

Fuel injector No.2

Fl_LRN_13

(Fuel injector No.3)

—

Fuel injection learning value (injector 3 at 65MPa)

Fuel injector No.3

Fl_LRN_14

(Fuel injector No.4)

—

Fuel injection learning value (injector 4 at 65MPa)

Fuel injector No.4

Fl_LRN_21

(Fuel injector No.1)

—

Fuel injection learning value (injector 1 at 100MPa)

Fuel injector No.1

Fl_LRN_22

(Fuel injector No.2)

—

Fuel injection learning value (injector 2 at 100MPa)

Fuel injector No.2

Fl_LRN_23

(Fuel injector No.3)

—

Fuel injection learning value (injector 3 at 100MPa)

Fuel injector No.3

Fl_LRN_24

(Fuel injector No.4)

—

Fuel injection learning value (injector 4 at 100MPa)

Fuel injector No.4

Fl_LRN_31

(Fuel injector No.1)

—

Fuel injection learning value (injector 1 at 140MPa)

Fuel injector No.1

Fl_LRN_32

(Fuel injector No.2)

—

Fuel injection learning value (injector 2 at 140MPa)

Fuel injector No.2

Fl_LRN_33

(Fuel injector No.3)

—

Fuel injection learning value (injector 3 at 140MPa)

Fuel injector No.3

Fl_LRN_34

(Fuel injector No.4)

—

Fuel injection learning value (injector 4 at 140MPa)

Fuel injector No.4

FIA_DSD

(Fuel injector)

—

Indicates the desired injector correction.

Fuel injector

FIP_FL

(Supply pump flow control)

Idle: Approx. 1.8 A

Inspect following PIDs:

AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS

FIP_FL_DSD

(Supply pump flow desired)

—

Switch the ignition to ON: Approx. 0 mm ³/stroke

Idle: Approx. 23 mm ³/stroke

Inspect following PIDs:

AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS

FIP_LRN

(Supply pump learning amount)

NOT_LRN / TMP_LRN / CMP_LRN

Indicates the supply pump learning amount.

Inspect following PIDs:

AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS

FIP_SCV

(Supply pump suction control valve)

Switch the ignition to ON: Approx. 2 mA

Idle: Approx. 1.78 A

Inspect following PIDs:

AC_REQ, BAT, BAT_V, ECT, BOOST_DSD, FRP, IVS, IAT, RPM, VSS

FLT

(Fuel temperature)

°C

Indicates the fuel temperature.

Fuel temperature sensor

(Fuel pump)

Idle (after warm up): Approx. 45%

Supply pump, ECT sensor

Inspect following PID: RPM

FRP

(Fuel pressure sensor)

Switch the ignition to ON: Approx. 1 V

Idle: Approx. 1.4 V

3,000 rpm: Approx. 2.0 V

Fuel pressure sensor

Switch the ignition to ON: 0 kPa {0 kgf/cm ², 0 psi}

Idle: Approx. 35 MPa {357 kgf/cm ², 5,076 psi}

3,000 rpm: Approx. 64 MPa {653 kgf/cm ², 9,298 psi}

FRP_DSD

(Fuel rail pressure desired)

Switch the ignition to ON: 0 kPa {0 kgf/cm ², 0 psi}

Idle: Approx. 35 MPa {357 kgf/cm ², 5,076 psi}

GENVDSD

(Generator voltage desired)

Indicates the generator voltage desired.

Perform applicable DTC troubleshooting.

GP_LMP

(Glow indicator light)

OFF/ON

Glow indicator light Off: Off

Glow indicator light ON: On

Inspect following PIDs:

ECT, BOOST_DSD, VSS

GPC

(Glow plug control)

OFF/ON

Switch the ignition to ON: Off

Cranking: On

Idle: Off

HTR11

(A/F sensor heater control)

Switch the ignition to ON: 0%

Inspect following PIDs:

BAT, BAT_V, IAT, MAF, ECT, RPM

IAT

(Intake air temperature)

30 °C {86 °F}: Approx. 1.9 V

40 °C {104 °F}: Approx. 1.5 V

IAT sensor

°C

Indicates the intake air temperature.

INGEAR

(In gear)

OFF/ON

Vehicle in gear and clutch is released: ON

Except above: OFF

Neutral switch

INJ_LRN_F1

(Injector learning mode failure code 1)

—

Displays the cause of the fuel injection amount learning error.

—

INJ_LRN_F2

(Injector learning mode failure code 2)

—

Displays the cause of the fuel injection amount learning error.

—

INJ1_CMP

(Injector 1 correction value)

— (mm ³/stroke)

Displays the fuel injector No.1 correction value

Fuel injector No.1

INJ2_CMP

(Injector 2 correction value)

— (mm ³/stroke)

Displays the fuel injector No.2 correction value

Fuel injector No.2

INJ3_CMP

(Injector 3 correction value)

— (mm ³/stroke)

Displays the fuel injector No.3 correction value

Fuel injector No.3

INJ4_CMP

(Injector 4 correction value)

— (mm ³/stroke)

Displays the fuel injector No.4 correction value

Fuel injector No.4

ISV_ACT

(Intake shatter valve control actual)

Switch the ignition to ON: Approx. 91 °

Idle: 4.8 °

Intake shutter valve

ISV_DSD

(Intake shatter valve control desired)

Switch the ignition to ON: Approx. 80.5 °

Idle: Approx. 4.3 °

Intake shutter valve

Switch the ignition to ON: Approx. 80.4 %

Idle: Approx. 4.3 %

ISV_LRN_C

(Intake shatter valve learning value-closed)

Idle: Approx. -0.59 °

Intake shutter valve

ISV_POS

(Intake shatter valve position)

Switch the ignition to ON: Approx. 4.2 V

Idle: Approx. 0.75 V

Intake shutter valve position sensor

Switch the ignition to ON: Approx. 90.6 %

Idle: Approx. 3.7 %

IVS

(Idle validation switch)

Idle/Off Idle

Accelerator pedal depressed: Off Idle

Except above: Idle

—

LOAD

(Engine load)

Switch the ignition to ON: 0 %

Idle: Approx. 7.84 %

—

MAF

(Mass air flow)

g/sec

Switch the ignition to ON: 0 g/s

Idle: Approx. 6 g/s

2,000 rpm: Approx. 18 g/s

MAF sensor

Switch the ignition to ON: Approx. 0.65 V

Idle: Approx. 1.5 V

2,000 rpm: Approx. 2.2 V

MAF_DSD

(Mass air flow desired)

g/sec

Indicates the mass air flow desired.

MAF sensor

MAP

(Boost sensor)

Indicates the manifold absolute pressure.

Boost sensor

Output voltage increases as the intake air pressure increases.

• Switch the ignition to ON (at sea level): Approx. 1.1 V

• Idle (after warm up): Approx. 0.7 V

MIL

(Malfunction indicator lamp)

OFF/ON

Switch the ignition to ON: On

Idle: Off

Perform applicable DTC troubleshooting.

MIL_DIS

(The distance travelled since the MIL was activated)

Indicate the travelled distance since the MIL illuminated.

—

(A/F sensor)

Switch the ignition to ON: Approx. 0 %

A/F sensor

O2S11

(A/F sensor)

Switch the ignition to ON: Approx. 2.2 V

Switch the ignition to ON: Approx. 0 A

O2S11_CAL

(A/F sensor calibration value)

—

Displays A/F sensor calibration value.

O2S11_MODE

(A/F sensor activation status)

—

Displays the activation condition of the A/F sensor.

OIL_DIL

(Engine oil dilution amount)

Displays the engine oil dilution amount

—

OIL_DIL_CNT

(Number of engine oil deteriorated events)

—

Number of engine oil deteriorated events.

—

OILCHG_DIS

(Distance from the last oil change)

Displays distance from the last engine oil replace.

—

OILCHG_DIS2

(Distance since last oil change (Correction value))

Displays distance from the last engine oil replace (correction value).

—

PM_ACC

(PM accumulation amount)

—

Displays PM accumulation amount.

—

PM_ACC_DSD

(PM accumulation amount desired)

—

Displays PM accumulation amount.

—

PM_GEN

(PM generation amount)

—

Displays PM generation amount.

—

REG_DIS

(Distance since last diesel particulate filter regeneration)

Displays the distance travelled after diesel particulate filter regeneration.

—

REG_FAIL_C

(Diesel particulate filter regeneration failure condition)

TIMEOUT/VSS_DET/ECT_HIGH/ECT_LOW

Displays the cause of the diesel particulate filter regeneration error.

—

REG_REQ_A

(Automatic regeneration request)

OFF/ON

Displays ON during diesel particulate filter automatic regeneration.

—

REG_REQ_F

(Forced regeneration request)

OFF/ON

Displays ON during diesel particulate filter manual regeneration.

—

RPM

(Engine revolutions per minute)

RPM

Switch the ignition to ON: 0 RPM

Idle (after warm up): 675—775 rpm

CKP sensor

SC_CANCEL

(Cruise cancel switch)

Active/Inactive

Cruise cancel switch released: Inactive

Cruise cancel switch depressed: Active

Cruise control switch

SC_LMP

(Cruise indicator light)

OFF/ON

Cruise indicator light ON: On

Cruise indicator light Off: Off

SC_OFF

(Cruise control switch)

Active/Inactive

Cruise OFF switch released: Inactive

Cruise OFF switch depressed: Active

SC_ON

(Cruise control switch)

Active/Inactive

Cruise ON switch released: Inactive

Cruise ON switch depressed: Active

SC_RES

(Cruise resume switch)

Active/Inactive

Cruise resume switch released: Inactive

Cruise resume switch depressed: Active

SC_SET-

(Cruise control switch)

Active/Inactive

Cruise SET (-) switch released: Inactive

Cruise SET (-) switch depressed: Active

SC_SET+

(Cruise control switch)

Active/Inactive

Cruise SET (+) switch released: Inactive

Cruise SET (+) switch depressed: Active

SCCS

(Speed control command switch)

Switch the ignition to ON: 5 V

SED_SW

(Sedimentor switch)

OFF/ON

Displays the sedimentor switch

Sedimentor switch

TRQ_ISC

(Torque correction for idle speed control)

Displays the Torque correction for idle speed control

—

VBC_POS

(VBC position sensor)

Switch the ignition to ON: Approx. 0.1 V

Idle: Approx. 4 V

Guide blade actuator position sensor

Switch the ignition to ON: Approx. 10.6 mm

Idle: Approx. 1.17 mm

VBCV

(VBC solenoid valve control)

Switch the ignition to ON: 6 %

Idle: Approx. 45.5 %

Inspect following PIDs:

IVS, MAF, ECT, RPM

Inspect VBC solenoid valve.

VPWR

(Module supply voltage)

Switch the ignition to ON: B+

Battery

Main relay

VSS

Vehicle speed

KPH

Indicates the vehicle speed.

Perform applicable DTC troubleshooting.