DTC C1095 (53), C1096 (54)

BME040200000W09

Caution
• When attaching the tester lead to the ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) or the ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) harness connector, the SST (49 G066 001) must be used. (See ABS HU/CM INSPECTION.) (See ABS/TCS HU/CM INSPECTION.)

DTC

C1095 (53), C1096 (54)

Motor relay, ABS Motor

DETECTION CONDITION

• C1095 (53): ABS motor stuck OFF when vehicle is started or during ABS operation, ABS motor ON is commanded.
• C1096 (54): ABS motor stuck ON when vehicle is started or during ABS operation, ABS motor OFF is commanded.

POSSIBLE CAUSE

• Open, or short power or short to ground of motor relay and/or ABS motor in ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS)
• Stuck motor relay and/or ABS motor
• Open circuit of ABS motor power supply
• Open circuit of ABS motor ground

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY OTHER DTC HAS BEEN RECORDED
• If any of DTC C1186 (51) and/or C1266 (52) also stored?
Yes
Go to applicable DTC inspection.
No
Go to next step.
2
INSPECT ABS FUSE CONDITION
• Is ABS fuse (60 A) okay?
Yes
Go to next step.
No
Replace fuse, then go to Step 5.
3
INSPECT MOTOR RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Disconnect ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) connector.
• Connect SST (adapter harness) to ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) connector (harness side) with ABS HU/CM disconnected.
• Turn ignition key to ON (engine OFF).
• Measure voltage between ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) terminal AB (harness side) and ground.
• Is voltage B+?
Yes
Go to next step.
No
Repair or replace harness for open circuit between battery positive terminal and ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) terminal AB, then go to Step 5.
4
INSPECT ABS/TCS HU/CM (WITH TCS) or ABS HU/CM (WITHOUT TCS) GROUND CIRCUIT FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Inspect continuity between ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) terminal AD of SST and ground.
• Is there continuity?
Yes
Go to next step.
No
Repair or replace harness for open circuit between ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) terminal AD and ground, then go to next step.
5
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnected all disconnected connectors.
• Clear DTC from memory.
• Start engine and drive vehicle at 10 km/h {6.2 mph} or above.
• Gradually slow down and stop vehicle.
• Is same DTC present?
Yes
Replace ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS), then go to next step.
No
Go to next step.
6
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.