 |
acxwzw00001745
id0140f2823900
Without Using The M-MDS
Terminal voltage table (Reference)
acxwzw00001745
|
| Terminal |
Signal |
Connected to |
Test condition |
Voltage (V) |
Inspection item |
|---|---|---|---|---|---|
|
1
|
B+
|
SCR relay
|
SCR relay ON
|
B+
|
• Related wiring harness
• SCR relay
|
|
SCR relay OFF
|
Below 1.0
|
||||
|
2
|
Urea hose heater
|
Urea hose
|
Urea hose heater ON
|
B+
|
• Related wiring harness
• Urea hose
|
|
Urea hose heater OFF
|
Below 1.0
|
||||
|
3
|
B+
|
SCR relay
|
SCR relay ON
|
B+
|
• Related wiring harness
• SCR relay
|
|
SCR relay OFF
|
Below 1.0
|
||||
|
4
|
Urea tank heater
|
Urea tank
|
Urea tank heater ON
|
B+
|
• Related wiring harness
• Urea tank
|
|
Urea tank heater OFF
|
Below 1.0
|
||||
|
5
|
B+
|
SCR relay
|
SCR relay ON
|
B+
|
• Related wiring harness
• SCR relay
|
|
SCR relay OFF
|
Below 1.0
|
||||
|
6
|
Urea pump heater
|
Urea pump
|
Urea pump heater ON
|
B+
|
• Related wiring harness
• Urea pump
|
|
Urea pump heater OFF
|
Below 1.0
|
||||
|
7
|
Ground
|
Body ground
|
Under any condition
|
Below 1.0
|
• Related wiring harness
|
|
8
|
—
|
—
|
—
|
—
|
—
|
|
9
|
—
|
—
|
—
|
—
|
—
|
|
10
|
Urea tank level sensor No.1
|
Urea tank
|
Depend on tank level
|
0—5.0
|
• Related wiring harness
• Urea tank
|
|
11
|
Urea tank level sensor No.3
|
Urea tank
|
Depend on tank level
|
0—5.0
|
• Related wiring harness
• Urea tank
|
|
12
|
Urea tank level sensor No.2
|
Urea tank
|
Depend on tank level
|
0—5.0
|
• Related wiring harness
• Urea tank
|
|
13
|
—
|
—
|
—
|
—
|
—
|
|
14
|
—
|
—
|
—
|
—
|
—
|
|
15
|
—
|
—
|
—
|
—
|
—
|
|
16
|
—
|
—
|
—
|
—
|
—
|
|
17
|
—
|
—
|
—
|
—
|
—
|
|
18
|
—
|
—
|
—
|
—
|
—
|
|
19
|
—
|
—
|
—
|
—
|
—
|
|
20
|
—
|
—
|
—
|
—
|
—
|
|
21
|
—
|
—
|
—
|
—
|
—
|
|
22
|
—
|
—
|
—
|
—
|
—
|
|
23
|
—
|
—
|
—
|
—
|
—
|
|
24
|
—
|
—
|
—
|
—
|
—
|
|
25
|
—
|
—
|
—
|
—
|
—
|
|
26
|
Urea pump pressure sensor (Vref)
|
Urea pump pressure sensor
|
SCR relay ON
|
Approx. 5.0
|
• Related wiring harness
• Urea pump
|
|
27
|
—
|
—
|
—
|
—
|
—
|
|
28
|
SCR relay control
|
SCR relay
|
Switch the ignition to ON and after certain period switch the ignition from ON to OFF
|
Below 1.0
|
• Related wiring harness
• SCR relay
|
|
Switch the ignition to off
|
B+
|
||||
|
29
|
—
|
—
|
—
|
—
|
—
|
|
30
|
—
|
—
|
—
|
—
|
—
|
|
31
|
—
|
—
|
—
|
—
|
—
|
|
32
|
—
|
—
|
—
|
—
|
—
|
|
33
|
—
|
—
|
—
|
—
|
—
|
|
34
|
—
|
—
|
—
|
—
|
—
|
|
35
|
—
|
—
|
—
|
—
|
—
|
|
36
|
—
|
—
|
—
|
—
|
—
|
|
37
|
—
|
—
|
—
|
—
|
—
|
|
38
|
—
|
—
|
—
|
—
|
—
|
|
39
|
—
|
—
|
—
|
—
|
—
|
|
40
|
—
|
—
|
—
|
—
|
—
|
|
41
|
—
|
—
|
—
|
—
|
—
|
|
42
|
—
|
—
|
—
|
—
|
—
|
|
43
|
—
|
—
|
—
|
—
|
—
|
|
44
|
—
|
—
|
—
|
—
|
—
|
|
45
|
—
|
—
|
—
|
—
|
—
|
|
46
|
—
|
—
|
—
|
—
|
—
|
|
47
|
—
|
—
|
—
|
—
|
—
|
|
48
|
—
|
—
|
—
|
—
|
—
|
|
49
|
—
|
—
|
—
|
—
|
—
|
|
50
|
—
|
—
|
—
|
—
|
—
|
|
51
|
—
|
—
|
—
|
—
|
—
|
|
52
|
—
|
—
|
—
|
—
|
—
|
|
53
|
—
|
—
|
—
|
—
|
—
|
|
54
|
—
|
—
|
—
|
—
|
—
|
|
55
|
—
|
—
|
—
|
—
|
—
|
|
56
|
Urea tank temperature
|
Urea tank temperature sensor
|
Urea tank temperature 25 °C {77 °F}
|
Approx. 1.0
|
• Related wiring harness
• Urea tank
|
|
57
|
—
|
—
|
—
|
—
|
—
|
|
58
|
—
|
—
|
—
|
—
|
—
|
|
59
|
—
|
—
|
—
|
—
|
—
|
|
60
|
Urea pump pressure sensor
|
Urea pump pressure sensor
|
Urea pump pressure 500 kPa {5.10 kgf/cm
2, 72.5 psi}
|
Approx. 2.5
|
• Related wiring harness
• Urea pump
|
|
61
|
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
|
|
|
62
|
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
|
|
|
63
|
—
|
—
|
—
|
—
|
—
|
|
64
|
—
|
—
|
—
|
—
|
—
|
|
65
|
—
|
—
|
—
|
—
|
—
|
|
66
|
—
|
—
|
—
|
—
|
—
|
|
67
|
Urea pump
|
Urea pump
|
SCR relay ON
|
B+
|
• Related wiring harness
• Urea pump
|
|
68
|
—
|
—
|
—
|
—
|
—
|
|
69
|
Urea pump
|
Urea pump
|
Depend on load
|
0—B+
|
• Related wiring harness
• Urea pump
|
|
70
|
—
|
—
|
—
|
—
|
—
|
|
71
|
—
|
—
|
—
|
—
|
—
|
|
72
|
—
|
—
|
—
|
—
|
—
|
|
73
|
B+
|
SCR relay
|
SCR relay ON
|
B+
|
• Related wiring harness
• SCR relay
|
|
SCR relay OFF
|
Below 1.0
|
||||
|
74
|
Urea injector
|
Urea injector
|
Depend on load
|
0—B+
|
• Related wiring harness
• Urea injector
|
|
75
|
—
|
—
|
—
|
—
|
—
|
|
76
|
—
|
—
|
—
|
—
|
—
|
|
77
|
—
|
—
|
—
|
—
|
—
|
|
78
|
—
|
—
|
—
|
—
|
—
|
|
79
|
—
|
—
|
—
|
—
|
—
|
|
80
|
—
|
—
|
—
|
—
|
—
|
|
81
|
Urea pump pressure sensor (Ground)
|
Urea pump pressure sensor
|
Under any condition
|
Approx. 0
|
• Related wiring harness
• Urea pump
|
|
82
|
—
|
—
|
—
|
—
|
—
|
|
83
|
—
|
—
|
—
|
—
|
—
|
|
84
|
—
|
—
|
—
|
—
|
—
|
|
85
|
—
|
—
|
—
|
—
|
—
|
|
86
|
—
|
—
|
—
|
—
|
—
|
|
87
|
—
|
—
|
—
|
—
|
—
|
|
88
|
IG
|
Ignition switch
|
Switch the ignition to ON and START position
|
B+
|
• Related wiring harness
|
|
Switch the ignition to other position
|
Below 1.0
|
||||
|
89
|
—
|
—
|
—
|
—
|
—
|
|
90
|
Urea tank level sensor
|
Urea tank
|
Under any condition
|
Approx. 0
|
• Related wiring harness
• Urea tank
|
|
91
|
Urea injector
|
Urea injector
|
Depend on load
|
0—B+
|
• Related wiring harness
• Urea injector
|
|
92
|
—
|
—
|
—
|
—
|
—
|
|
93
|
Urea pump
|
Urea pump
|
Depend on load
|
0—B+
|
• Related wiring harness
• Urea pump
|
|
94
|
Reverting valve
|
Reverting valve
|
Switch the ignition to ON
|
B+
|
• Related wiring harness
• Urea pump
|
|
After certain period switch the ignition from ON to OFF
|
Approx. 0
|
||||
Using M-MDS
1.Connect the M-MDS to the DLC-2. (See ON-BOARD DIAGNOSTIC TEST [MZR-CD 2.2].)
acxwzw00001911
|
2.Measure the PID value.
PID/DATA monitor table (Reference)
| Monitor item (Definition) |
Unit/Condition |
Condition/Specification (Reference) |
Inspection item |
|---|---|---|---|
|
AAT
(Ambient air temperature)
|
°C
|
Indicate the ambient air temperature
|
—
|
|
BARO
(Barometric pressure)
|
Pa
|
Indicates the barometric pressure
|
—
|
|
ECT
(Engine coolant temperature)
|
°C
|
Engine coolant temperature is displayed.
|
ECT sensor
|
|
EXH_FL
(Exhaust gas flow amount)
|
-(kg/h)
|
Indicates the exhaust gas flow amount.
|
—
|
|
EXHTEMP1
(Exhaust gas temperature sensor)
|
°C
|
Indicates the exhaust gas temperature.
|
Exhaust gas temperature sensor No.1
|
|
EXHTEMP2
(Exhaust gas temperature sensor)
|
°C
|
Indicates the exhaust gas temperature.
|
Exhaust gas temperature sensor No.2
|
|
EXHTEMP3
(Exhaust gas temperature sensor)
|
°C
|
Indicates the exhaust gas temperature.
|
Exhaust gas temperature sensor No.3
|
|
HTR_HOSE
(Urea hose heater)
|
V
|
Urea hose heater ON: 0.38 V
Urea hose heater off: 0 V
|
Urea hose
SCR control unit
|
|
Off/On
|
Indicates the urea hose heater conditions.
|
||
|
HTR_NOX
(Status of NOx sensor heating)
|
—
|
Displays the NOx sensor heater conditions.
|
—
|
|
HTR_PUMP
(Urea pump heater)
|
V
|
Urea pump heater ON: 0.5 V
Urea pump heater off: 0 V
|
Urea pump
SCR control unit
|
|
Off/On
|
Indicates the urea pump heater conditions.
|
||
|
HTR_STAT
(Status of SCR CU heater system)
|
—
|
Displays the SCR control unit heater system conditions.
|
—
|
|
HTR_TANK
(Urea tank heater)
|
V
|
Urea tank heater ON: 0.9 V
Urea tank heater off: 0 V
|
Urea tank
SCR control unit
|
|
Off/On
|
Indicates the urea tank heater conditions.
|
||
|
IAT
(Intake air temperature)
|
°C
|
Indicates the intake air temperatur.
|
IAT sensor
|
|
INJ_DUTY
(Urea injector duty cycle)
|
%
|
Displays the urea injector conditions (Duty cycle).
|
—
|
|
INJ_VOL_DSD
(Urea injection volume desired (mg/s))
|
-(mg/s)
|
Indicates the urea injection volume desired.
|
Urea injector
|
|
LINE_PRES
(Urea supply line pressure)
|
V
|
Idle: Approx. 1.1 V
Ignition switch ON: Approx. 0.29 V
|
Urea pump
Urea hose
|
|
Pa
|
Idle: Approx. 25 MPa
Ignition switch ON: Approx. 0 Kpa
|
||
|
NOX_CON
(NOx concentration(ppm))
|
-(ppm)
|
Indicates the NOx concentration.
|
—
|
|
NOX_STAT
(Status of NOx sensor)
|
—
|
Indicates the NOx sensor conditions.
|
—
|
|
PUMP_DUTY
(Urea pump duty cycle)
|
%
|
Displays the urea pump conditions (Duty cycle).
|
—
|
|
REV_VALVE
(Urea reverting valve duty cycle)
|
Off/On
|
Displays the urea reverting valve conditions (Duty cycle).
|
—
|
|
RPM
(Engine revolutions per minute)
|
RPM
|
Switch the ignition to ON: 0 RPM
Idle (after warm up): 675—775 rpm
|
CKP sensor
|
|
SCR_CAT_T
(SCR converter temperature)
|
°C
|
Indicates the SCR converter temperature.
|
Exhaust gas temperature sensor
|
|
SCR_STAT1
(Status of SCR control unit)
|
—
|
Indicates the SCR control unit conditions.
|
—
|
|
SCR_STAT2
(Status of SCR control unit)
|
—
|
Indicates the SCR control unit conditions.
|
—
|
|
TANK_LEV
(Urea tank level)
|
%
|
Indicates the Adblue® level.
|
Urea tank
|
|
TANK_LEV1
(Urea tank level sensor 1)
|
V
|
3.3V
However, the voltage indicates approx. 2.1 V in the order of TANK_LEV1, 2, and 3 at 1 s intervals.
|
Urea tank
|
|
TANK_LEV2
(Urea tank level sensor 2)
|
V
|
||
|
TANK_LEV3
(Urea tank level sensor 3)
|
V
|
||
|
TANK_TEMP
(Urea tank temperature)
|
V
|
24 °C {75 °F}: Approx. 1.09 V
25 °C {77 °F}: Approx. 1.05 V
|
Urea tank
|
|
°C
|
Indicates the urea tank temperature.
|
||
|
VPWR
(Module supply voltage)
|
V
|
Switch the ignition to ON: B+
|
Battery
Main relay
SCR relay
|
|
VSS
(Vehicle speed)
|
KPH
|
Vehicle speed is displayed.
|
Perform applicable DTC troubleshooting.
|
