DSC ON-BOARD DIAGNOSIS

id040220807400

On-Board Diagnostic (OBD) Test Description

• The OBD test inspects the integrity and function of the DSC and outputs the results when requested by the specific tests.

• On-board diagnostic test also:

― Provides a quick inspection of the DSC usually performed at the start of each diagnostic procedure.

― Provides verification after repairs to ensure that no other faults occurred during service.

• The OBD test is divided into 3 tests:

― Read/clear diagnostic results, PID monitor and record and active command modes.

Read/clear diagnostic results

• This function allows you to read or clear DTCs in the DSC HU/CM memory.

PID/data monitor and record

• This function allows you to access certain data values, input signals, calculated values, and system status information.

Active command modes

• This function allows you to control devices through the WDS or equivalent.

Reading DTCs Procedure

1. Connect WDS or equivalent to the vehicle DLC-2 connector.

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2. Retrieve DTC by WDS or equivalent.

Clearing DTCs Procedures

1. After repairs have been made, perform the DTCs reading procedure.

2. Erase DTC by WDS or equivalent.

3. Ensure that the customer’s concern has been resolved.

PID/Data Monitor and Record Procedure

1. Connect WDS or equivalent to the vehicle DLC-2 connector.

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2. Access and monitor PIDs by WDS or equivalent.

Active Command Modes Procedure

Note

• When driving, the ABS motor and each valve automatically turn ABS_POWER on, and then each command on. ABS_POWER regulates the power supply for the ABS motor and 8 valves.

1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector.

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2. Turn the ignition switch to ON (Engine OFF) or start engine.

3. Activate active command modes using WDS or equivalent.

DTC Table

DTC

Diagnosis system component

Page

WDS or equivalent

B1318

DSC power supply

(See DTC B1318 [DSC].)

B1342

DSC HU/CM

(See DTC B1342 [DSC].)

B1483

Brake switch signal

(See DTC B1483, B1484, B1486 [DSC].)

B1484

Brake switch signal

(See DTC B1483, B1484, B1486 [DSC].)

B1486

Brake switch signal

(See DTC B1483, B1484, B1486 [DSC].)

B1627

Reverse signal

(See DTC B1627 [DSC].)

B2477

Module configuration

(See DTC B2477 [DSC].)

C1095

Motor relay, pump motor

(See DTC C1095, C1096 [DSC].)

C1096

Motor relay, pump motor

(See DTC C1095, C1096 [DSC].)

C1119

Engine control system

(See DTC C1119 [DSC].)

C1125

Brake fluid level sensor

(See DTC C1125 [DSC].)

C1140

DSC HU/CM (pump)

(See DTC C1140 [DSC].)

C1145

Right front wheel-speed sensor

(See DTC C1145, C1155, C1165, C1175 [DSC].)

C1148

Right front wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1155

Left front wheel-speed sensor

(See DTC C1145, C1155, C1165, C1175 [DSC].)

C1158

Left front wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1165

Right rear wheel-speed sensor

(See DTC C1145, C1155, C1165, C1175 [DSC].)

C1168

Right rear wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1175

Left rear wheel-speed sensor

(See DTC C1145, C1155, C1165, C1175 [DSC].)

C1178

Left rear wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1186

Fail-safe relay

(See DTC C1186, C1266 [DSC].)

C1194

Left front pressure reduction solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1198

Left front pressure retention solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1210

Right front pressure reduction solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1214

Right front pressure retention solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1233

Left front wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1234

Right front wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1235

Right rear wheel-speed sensor/sensor rotor

(See DTC B1318 [DSC].)

C1236

Left rear wheel-speed sensor/sensor rotor

(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)

C1242

Left rear pressure reduction solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1246

Right rear pressure reduction solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1250

Left rear pressure retention solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1254

Right rear ABS pressure retention solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1266

Fail-safe relay

(See DTC C1186, C1266 [DSC].)

C1280

Combined sensor

(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)

C1400

Right front traction switch solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1410

Left front traction switch solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1414

DSC HU/CM

(See DTC C1414 [DSC].)

C1507

DSC control

(See DTC C1507, C1508 [DSC].)

C1508

DSC control

(See DTC C1507, C1508 [DSC].)

C1510

Right front solenoid valve, motor or wheel-speed sensor/sensor rotor

(See DTC C1510, C1511, C1512, C1513 [DSC].)

C1511

Left front solenoid valve, motor or wheel-speed sensor/sensor rotor

(See DTC C1510, C1511, C1512, C1513 [DSC].)

C1512

Right rear solenoid valve, motor or wheel-speed sensor/sensor rotor

(See DTC C1510, C1511, C1512, C1513 [DSC].)

C1513

Left rear solenoid valve, motor or wheel-speed sensor/sensor rotor

(See DTC C1510, C1511, C1512, C1513 [DSC].)

C1730

Combined sensor

(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)

C1951

Combined sensor

(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)

C1952

Combined sensor

(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)

C1953

Brake fluid pressure sensor

(See DTC C1953, C1954 [DSC].)

C1954

Brake fluid pressure sensor

(See DTC C1953, C1954 [DSC].)

C1955

Steering angle sensor

(See DTC C1955, C1956 [DSC].)

C1956

Steering angle sensor

(See DTC C1955, C1956 [DSC].)

C1957

Right front DSC switch solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1958

Left front DSC switch solenoid valve

(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)

C1959

Combined sensor

(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)

U1900

Can communication

(See DTC U0073, U1900, U2516.)

U2021

Engine coolant temperature

(See DTC U2021 [DSC].)

U2516

Can communication

(See DTC U0073, U1900, U2516.)

DTC	Diagnosis system component	Page
B1318	DSC power supply	(See DTC B1318 [DSC].)
B1342	DSC HU/CM	(See DTC B1342 [DSC].)
B1483	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1484	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1486	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1627	Reverse signal	(See DTC B1627 [DSC].)
B2477	Module configuration	(See DTC B2477 [DSC].)
C1095	Motor relay, pump motor	(See DTC C1095, C1096 [DSC].)
C1096	Motor relay, pump motor	(See DTC C1095, C1096 [DSC].)
C1119	Engine control system	(See DTC C1119 [DSC].)
C1125	Brake fluid level sensor	(See DTC C1125 [DSC].)
C1140	DSC HU/CM (pump)	(See DTC C1140 [DSC].)
C1145	Right front wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1148	Right front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1155	Left front wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1158	Left front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1165	Right rear wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1168	Right rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1175	Left rear wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1178	Left rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1186	Fail-safe relay	(See DTC C1186, C1266 [DSC].)
C1194	Left front pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1198	Left front pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1210	Right front pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1214	Right front pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1233	Left front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1234	Right front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1235	Right rear wheel-speed sensor/sensor rotor	(See DTC B1318 [DSC].)
C1236	Left rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1242	Left rear pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1246	Right rear pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1250	Left rear pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1254	Right rear ABS pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1266	Fail-safe relay	(See DTC C1186, C1266 [DSC].)
C1280	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1400	Right front traction switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1410	Left front traction switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1414	DSC HU/CM	(See DTC C1414 [DSC].)
C1507	DSC control	(See DTC C1507, C1508 [DSC].)
C1508	DSC control	(See DTC C1507, C1508 [DSC].)
C1510	Right front solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1511	Left front solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1512	Right rear solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1513	Left rear solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1730	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1951	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1952	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1953	Brake fluid pressure sensor	(See DTC C1953, C1954 [DSC].)
C1954	Brake fluid pressure sensor	(See DTC C1953, C1954 [DSC].)
C1955	Steering angle sensor	(See DTC C1955, C1956 [DSC].)
C1956	Steering angle sensor	(See DTC C1955, C1956 [DSC].)
C1957	Right front DSC switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1958	Left front DSC switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1959	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
U1900	Can communication	(See DTC U0073, U1900, U2516.)
U2021	Engine coolant temperature	(See DTC U2021 [DSC].)
U2516	Can communication	(See DTC U0073, U1900, U2516.)

PID/DATA Monitor Table

PID Name

(Definition)

Unit/Condition

Condition/Specification

Action

DSC HU/CM terminal

ABS_LAMP

(ABS warning light driver output state)

ON/OFF

•  ABS warning light is illuminated: ON

•  ABS warning light is not illuminated: OFF

Inspect ABS warning light.

—

ABSLF_I

(Left front ABS pressure retention solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSLF_O

(Left front ABS pressure reduction solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSLR_I

(Left rear ABS pressure retention solenoid valve output state)

ON/OFF

•  During ABS or EBD control: ON/OFF
(solenoid valve is activated/deactivated)

•  Not ABS and EBD control: OFF (solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSLR_O

(Left rear ABS pressure reduction solenoid valve output state)

ON/OFF

•  During ABS or EBD control: ON/OFF
(solenoid valve is activated/deactivated)

•  Not ABS and EBD control: OFF (solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSRF_I

(Right front ABS pressure retention solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSRF_O

(Right front ABS pressure reduction solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSRR_I

(Right rear ABS pressure reduction solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSRR_O

(Right rear ABS pressure reduction solenoid valve output state)

ON/OFF

•  During ABS control: ON/OFF (solenoid valve is activated/deactivated)

•  Not ABS control: OFF
(solenoid valve is deactivated)

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

ABSPMPRLY

(Motor relay output state)

ON/OFF

•  Motor relay is activated: ON

•  Motor relay is deactivated: OFF

Inspect DSC HU/CM.

(See DSC HU/CM INSPECTION.)

—

ABSVLVRLY

(Fail-safe relay output state)

ON/OFF

•  Fail-safe relay is
activated: ON

•  Fail-safe relay is deactivated: OFF

Inspect DSC HU/CM.

(See DSC HU/CM INSPECTION.)

—

ABS_VOLT

(System battery voltage value)

V

•  Ignition key at ON: B+

•  Idle: Approx. 14—16 V

Inspect power supply circuit.

(See DSC HU/CM INSPECTION.)

G

BOO_ABS

(Brake pedal switch input)

ON/OFF

•  Brake pedal is depressed: ON

•  Brake pedal is released: OFF

Inspect brake switch.

L

BRK_FLUID

(Brake fluid level sensor input)

OK/LOW

•  Brake fluid is above LOW: OK

•  Brake fluid is below LOW: LOW

Inspect brake fluid level.

Inspect brake fluid level sensor.

—

BRAKE_LMP

(BRAKE system warning light output state)

ON/OFF

•  BRAKE system warning light is illuminated: ON

•  BRAKE system warning light is not illuminated: OFF

Inspect BRAKE system warning light.

—

CCNTABS

(Number of continuous codes)

—

DTC is detected: 1—255

DTC is not detected: 0

Perform inspection using appropriate DTC.

—

LAT_ACCL

(Lateral-G sensor input)

G

•  Vehicle is stopped or driving straight: 0 G

•  Cornering to left: Changes between 0 G and 1.27 G

•  Cornering to right: Changes between 0 G and -1.28 G

Inspect ABS wheel-speed sensor/sensor rotor.

O

L_DSC O

(Stability control solenoid valve (LF-RR))

ON/OFF

•  Solenoid valve is activated: ON

•  Solenoid valve is deactivated: OFF

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

LF_WSPD

(Left front wheel-speed sensor input)

KPH or MPH

•  Vehicle is stopped: 0 KPH {0 MPH}

•  Vehicle is driving: Indicates vehicle speed

Inspect wheel-speed sensor/sensor rotor.

F, J

LR_WSPD

(Left rear wheel-speed sensor input)

KPH or MPH

•  Vehicle is stopped: 0 KPH {0 MPH}

•  Vehicle is driving: Indicates vehicle speed

Inspect wheel-speed sensor/sensor rotor.

N, Q

MCYLI P

(Brake fluid pressure sensor input)

MPA

•  Brake pedal is depressed: Changes between 0 MPA and 25.5 MPA

Inspect DSC HU/CM.

(See DSC HU/CM INSPECTION.)

—

PMPSTAT

(Pump motor output state)

ON/OFF

•  Pump motor activate: ON

•  Pump motor not activate: OFF

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

R_DSC O

(Stability control solenoid valve (RF-LR))

ON/OFF

•  Solenoid valve is activated: ON

•  Solenoid valve is deactivated: OFF

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

RF_WSPD

(Right front wheel-speed sensor input)

KPH or MPH

•  Vehicle is stopped: 0 KPH {0 MPH}

•  Vehicle is driving: Indicates vehicle speed

Inspect wheel-speed sensor/sensor rotor.

I, M

RPM

(Engine speed signal input)

RPM

•  Engine is stopped: 0 RPM

•  Engine is running: Indicates engine speed

Inspect PCM.

—

RR_WSPD

(Right rear wheel-speed sensor input)

KPH or MPH

•  Vehicle is stopped: 0 KPH {0 MPH}

•  Vehicle is driving: Indicates vehicle speed

Inspect wheel-speed sensor/sensor rotor.

H, K

SWA_POS

(Steering angle sensor input)

DEG

•  Steering wheel is in neutral position: 0 DEG

•  Steering wheel is turned to left: Changes between 0 DEG and -1,638.40 DEG

•  Steering wheel is turned to right: Changes between 0 DEG and 1,638.35 DEG

Inspect steering angle sensor.

R, U, W, X

TC LVAL

(Traction switch solenoid valve (LF-RR))

ON/OFF

•  Solenoid valve is activated: ON

•  Solenoid valve is deactivated: OFF

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

TC RVAL

(Traction switch solenoid valve (RF-LR))

ON/OFF

•  Solenoid valve is activated: ON

•  Solenoid valve is deactivated: OFF

Internal fault of DSC HU/CM. Replace DSC HU/CM.

(See DSC HU/CM REMOVAL/INSTALLATION.)

—

TPI

(Throttle position signal input)

—

•  Closed throttle position: 0

•  Wide open throttle: Changes between 1 and 7

Inspect PCM and throttle position sensor.

—

TRAC_SW

(TCS OFF switch input)

ON/OFF

•  TCS (DSC) OFF switch is depressed: ON

•  TCS (DSC) OFF switch is released: OFF

Inspect TCS (DSC) OFF switch.

AA

TRANSGR

(Transaxle gear position)

R/N/D/S/L

•  Selector lever position is displayed

―  R:R

―  N: N

―  D: D

―  S: S

―  L: L

Inspect PCM, TR switch, or DSC HU/CM.

—

YAW_RATE

(Yaw rate sensor input)

DG/S

•  Vehicle is stopped or driving straight: 0 DG/S

•  Cornering to left: Changes between 0 DG/S and 127 DG/S

•  Cornering to right: Changes between 0 DG/S and -128 DG/S

Inspect combine sensor.

(See COMBINED SENSOR INSPECTION.)

T

PID Name (Definition)	Unit/Condition	Condition/Specification	Action	DSC HU/CM terminal
ABS_LAMP (ABS warning light driver output state)	ON/OFF	• ABS warning light is illuminated: ON • ABS warning light is not illuminated: OFF	Inspect ABS warning light.	—
ABSLF_I (Left front ABS pressure retention solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSLF_O (Left front ABS pressure reduction solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSLR_I (Left rear ABS pressure retention solenoid valve output state)	ON/OFF	• During ABS or EBD control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS and EBD control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSLR_O (Left rear ABS pressure reduction solenoid valve output state)	ON/OFF	• During ABS or EBD control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS and EBD control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSRF_I (Right front ABS pressure retention solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSRF_O (Right front ABS pressure reduction solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSRR_I (Right rear ABS pressure reduction solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSRR_O (Right rear ABS pressure reduction solenoid valve output state)	ON/OFF	• During ABS control: ON/OFF (solenoid valve is activated/deactivated) • Not ABS control: OFF (solenoid valve is deactivated)	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
ABSPMPRLY (Motor relay output state)	ON/OFF	• Motor relay is activated: ON • Motor relay is deactivated: OFF	Inspect DSC HU/CM. (See DSC HU/CM INSPECTION.)	—
ABSVLVRLY (Fail-safe relay output state)	ON/OFF	• Fail-safe relay is activated: ON • Fail-safe relay is deactivated: OFF	Inspect DSC HU/CM. (See DSC HU/CM INSPECTION.)	—
ABS_VOLT (System battery voltage value)	V	• Ignition key at ON: B+ • Idle: Approx. 14—16 V	Inspect power supply circuit. (See DSC HU/CM INSPECTION.)	G
BOO_ABS (Brake pedal switch input)	ON/OFF	• Brake pedal is depressed: ON • Brake pedal is released: OFF	Inspect brake switch.	L
BRK_FLUID (Brake fluid level sensor input)	OK/LOW	• Brake fluid is above LOW: OK • Brake fluid is below LOW: LOW	Inspect brake fluid level. Inspect brake fluid level sensor.	—
BRAKE_LMP (BRAKE system warning light output state)	ON/OFF	• BRAKE system warning light is illuminated: ON • BRAKE system warning light is not illuminated: OFF	Inspect BRAKE system warning light.	—
CCNTABS (Number of continuous codes)	—	DTC is detected: 1—255 DTC is not detected: 0	Perform inspection using appropriate DTC.	—
LAT_ACCL (Lateral-G sensor input)	G	• Vehicle is stopped or driving straight: 0 G • Cornering to left: Changes between 0 G and 1.27 G • Cornering to right: Changes between 0 G and -1.28 G	Inspect ABS wheel-speed sensor/sensor rotor.	O
L_DSC O (Stability control solenoid valve (LF-RR))	ON/OFF	• Solenoid valve is activated: ON • Solenoid valve is deactivated: OFF	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
LF_WSPD (Left front wheel-speed sensor input)	KPH or MPH	• Vehicle is stopped: 0 KPH {0 MPH} • Vehicle is driving: Indicates vehicle speed	Inspect wheel-speed sensor/sensor rotor.	F, J
LR_WSPD (Left rear wheel-speed sensor input)	KPH or MPH	• Vehicle is stopped: 0 KPH {0 MPH} • Vehicle is driving: Indicates vehicle speed	Inspect wheel-speed sensor/sensor rotor.	N, Q
MCYLI P (Brake fluid pressure sensor input)	MPA	• Brake pedal is depressed: Changes between 0 MPA and 25.5 MPA	Inspect DSC HU/CM. (See DSC HU/CM INSPECTION.)	—
PMPSTAT (Pump motor output state)	ON/OFF	• Pump motor activate: ON • Pump motor not activate: OFF	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
R_DSC O (Stability control solenoid valve (RF-LR))	ON/OFF	• Solenoid valve is activated: ON • Solenoid valve is deactivated: OFF	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
RF_WSPD (Right front wheel-speed sensor input)	KPH or MPH	• Vehicle is stopped: 0 KPH {0 MPH} • Vehicle is driving: Indicates vehicle speed	Inspect wheel-speed sensor/sensor rotor.	I, M
RPM (Engine speed signal input)	RPM	• Engine is stopped: 0 RPM • Engine is running: Indicates engine speed	Inspect PCM.	—
RR_WSPD (Right rear wheel-speed sensor input)	KPH or MPH	• Vehicle is stopped: 0 KPH {0 MPH} • Vehicle is driving: Indicates vehicle speed	Inspect wheel-speed sensor/sensor rotor.	H, K
SWA_POS (Steering angle sensor input)	DEG	• Steering wheel is in neutral position: 0 DEG • Steering wheel is turned to left: Changes between 0 DEG and -1,638.40 DEG • Steering wheel is turned to right: Changes between 0 DEG and 1,638.35 DEG	Inspect steering angle sensor.	R, U, W, X
TC LVAL (Traction switch solenoid valve (LF-RR))	ON/OFF	• Solenoid valve is activated: ON • Solenoid valve is deactivated: OFF	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
TC RVAL (Traction switch solenoid valve (RF-LR))	ON/OFF	• Solenoid valve is activated: ON • Solenoid valve is deactivated: OFF	Internal fault of DSC HU/CM. Replace DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)	—
TPI (Throttle position signal input)	—	• Closed throttle position: 0 • Wide open throttle: Changes between 1 and 7	Inspect PCM and throttle position sensor.	—
TRAC_SW (TCS OFF switch input)	ON/OFF	• TCS (DSC) OFF switch is depressed: ON • TCS (DSC) OFF switch is released: OFF	Inspect TCS (DSC) OFF switch.	AA
TRANSGR (Transaxle gear position)	R/N/D/S/L	• Selector lever position is displayed ― R:R ― N: N ― D: D ― S: S ― L: L	Inspect PCM, TR switch, or DSC HU/CM.	—
YAW_RATE (Yaw rate sensor input)	DG/S	• Vehicle is stopped or driving straight: 0 DG/S • Cornering to left: Changes between 0 DG/S and 127 DG/S • Cornering to right: Changes between 0 DG/S and -128 DG/S	Inspect combine sensor. (See COMBINED SENSOR INSPECTION.)	T

Active Command Modes Table

Command Name

Definition

Operation

Note

ABS_POWER

Fail-safe relay

ON/OFF

Ignition key at ON (Engine OFF), and driving

LATACCEL

Lateral-G sensor initialization start

TRUE/FALSE

LF_DSC_V

Stability control solenoid valve (LF-RR)

ON/OFF

LF_INLET

Left front ABS pressure retention solenoid valve

ON/OFF

LF_OUTLET

Left front ABS pressure reduction solenoid valve

ON/OFF

LF_TC_VLV

Traction switch solenoid valve (LF-RR)

ON/OFF

LR_INLET

Left rear ABS pressure retention solenoid valve

ON/OFF

LR_OUTLET

Left rear ABS pressure reduction solenoid valve

ON/OFF

PMP_MOTOR

ABS motor

ON/OFF

RF_DSC_V

Stability control solenoid valve (RF-LR)

ON/OFF

RF_INLET

Right front ABS pressure retention solenoid valve

ON/OFF

RF_OUTLET

Right front ABS pressure reduction solenoid valve

ON/OFF

RF_TC_VLV

Traction switch solenoid valve (RF-LR)

ON/OFF

RR_INLET

Right rear ABS pressure retention solenoid valve

ON/OFF

RR_OUTLET

Right rear ABS pressure reduction solenoid valve

ON/OFF

STAB_IND

DSC indicator light

ON/OFF

TRAC OFF

Traction control off indicator

ON/OFF

YAWRATE

Yaw rate sensor initialization start

ON/OFF

DTC	Diagnosis system component	Page
WDS or equivalent	Diagnosis system component	Page
B1318	DSC power supply	(See DTC B1318 [DSC].)
B1342	DSC HU/CM	(See DTC B1342 [DSC].)
B1483	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1484	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1486	Brake switch signal	(See DTC B1483, B1484, B1486 [DSC].)
B1627	Reverse signal	(See DTC B1627 [DSC].)
B2477	Module configuration	(See DTC B2477 [DSC].)
C1095	Motor relay, pump motor	(See DTC C1095, C1096 [DSC].)
C1096	Motor relay, pump motor	(See DTC C1095, C1096 [DSC].)
C1119	Engine control system	(See DTC C1119 [DSC].)
C1125	Brake fluid level sensor	(See DTC C1125 [DSC].)
C1140	DSC HU/CM (pump)	(See DTC C1140 [DSC].)
C1145	Right front wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1148	Right front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1155	Left front wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1158	Left front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1165	Right rear wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1168	Right rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1175	Left rear wheel-speed sensor	(See DTC C1145, C1155, C1165, C1175 [DSC].)
C1178	Left rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1186	Fail-safe relay	(See DTC C1186, C1266 [DSC].)
C1194	Left front pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1198	Left front pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1210	Right front pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1214	Right front pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1233	Left front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1234	Right front wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1235	Right rear wheel-speed sensor/sensor rotor	(See DTC B1318 [DSC].)
C1236	Left rear wheel-speed sensor/sensor rotor	(See DTC C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 [DSC].)
C1242	Left rear pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1246	Right rear pressure reduction solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1250	Left rear pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1254	Right rear ABS pressure retention solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1266	Fail-safe relay	(See DTC C1186, C1266 [DSC].)
C1280	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1400	Right front traction switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1410	Left front traction switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1414	DSC HU/CM	(See DTC C1414 [DSC].)
C1507	DSC control	(See DTC C1507, C1508 [DSC].)
C1508	DSC control	(See DTC C1507, C1508 [DSC].)
C1510	Right front solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1511	Left front solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1512	Right rear solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1513	Left rear solenoid valve, motor or wheel-speed sensor/sensor rotor	(See DTC C1510, C1511, C1512, C1513 [DSC].)
C1730	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1951	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1952	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
C1953	Brake fluid pressure sensor	(See DTC C1953, C1954 [DSC].)
C1954	Brake fluid pressure sensor	(See DTC C1953, C1954 [DSC].)
C1955	Steering angle sensor	(See DTC C1955, C1956 [DSC].)
C1956	Steering angle sensor	(See DTC C1955, C1956 [DSC].)
C1957	Right front DSC switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1958	Left front DSC switch solenoid valve	(See DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DSC].)
C1959	Combined sensor	(See DTC C1280, C1730, C1951, C1952, C1959 [DSC].)
U1900	Can communication	(See DTC U0073, U1900, U2516.)
U2021	Engine coolant temperature	(See DTC U2021 [DSC].)
U2516	Can communication	(See DTC U0073, U1900, U2516.)

Command Name	Definition	Operation	Note
ABS_POWER	Fail-safe relay	ON/OFF	Ignition key at ON (Engine OFF), and driving
LATACCEL	Lateral-G sensor initialization start	TRUE/FALSE
LF_DSC_V	Stability control solenoid valve (LF-RR)	ON/OFF
LF_INLET	Left front ABS pressure retention solenoid valve	ON/OFF
LF_OUTLET	Left front ABS pressure reduction solenoid valve	ON/OFF
LF_TC_VLV	Traction switch solenoid valve (LF-RR)	ON/OFF
LR_INLET	Left rear ABS pressure retention solenoid valve	ON/OFF
LR_OUTLET	Left rear ABS pressure reduction solenoid valve	ON/OFF
PMP_MOTOR	ABS motor	ON/OFF
RF_DSC_V	Stability control solenoid valve (RF-LR)	ON/OFF
RF_INLET	Right front ABS pressure retention solenoid valve	ON/OFF
RF_OUTLET	Right front ABS pressure reduction solenoid valve	ON/OFF
RF_TC_VLV	Traction switch solenoid valve (RF-LR)	ON/OFF
RR_INLET	Right rear ABS pressure retention solenoid valve	ON/OFF
RR_OUTLET	Right rear ABS pressure reduction solenoid valve	ON/OFF
STAB_IND	DSC indicator light	ON/OFF
TRAC OFF	Traction control off indicator	ON/OFF
YAWRATE	Yaw rate sensor initialization start	ON/OFF