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DTC C1095 [APPLIED VIN (ASSUMED): JM0 DY10Y100 108402-, JM6 DY10*100 109001-]

id0402a4802900

DTC | C1095 | Motor relay, pump motor
DETECTION CONDITION | • ABS motor stuck OFF when vehicle is started or during ABS operation, ABS motor ON is commanded. • ABS motor stuck ON when vehicle is started or during ABS operation, ABS motor OFF is commanded. • Motor monitor ON signal is not input after specified time when the motor signal is switched from ON to OFF by ABS HU/CM.
POSSIBLE CAUSE | • Malfunction of fuse (ABS-P 30 A) • Open or short to ground circuit in harness between ABS HU/CM terminal Z and battery positive terminal • Open circuit in harness between ABS HU/CM terminal B and body ground • Stuck motor relay and/or ABS motor

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT ABS FUSE CONDITION • Is ABS fuse (ABS-P (30 A)) normal? | Yes | Go to next step.
No | Replace fuse, then go to Step 6.
2 | VERIFY PUMP MOTOR OPERATION • Turn ignition key to OFF. • Connect WDS or equivalent to DLC-2. • Turn ignition key to ON (engine OFF). • Access PMP_MOTOR active command modes using WDS or equivalent. • Does pump motor operate? | Yes | Go to next step.
No | Repair ABS HU/CM, then go to Step 6.
3 | INSPECT MOTOR RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT • Turn ignition key to OFF. • Disconnect ABS HU/CM connector. • Measure continuity between ABS HU/CM terminal Z (harness side) and battery positive terminal. • Is there continuity? | Yes | Go to next step.
No | Repair or replace harness for open circuit between battery positive terminal and ABS HU/CM terminal Z, then go to Step 6.
4 | INSPECT MOTOR RELAY POWER SUPPLY CIRCUIT FOR SHORT TO GROUND CIRCUIT • Measure continuity between ABS HU/CM terminal Z (harness side) and ground. • Is there continuity? | Yes | Repair or replace harness for short to ground circuit between battery positive terminal and ABS HU/CM terminal Z, then go to Step 6.
No | Go to next step.
5 | INSPECT PUMP MOTOR GROUND CIRCUIT FOR OPEN CIRCUIT • Inspect continuity between ABS HU/CM terminal B (harness side) and ground. • Is there continuity? | Yes | Go to next step.
No | Repair or replace harness for open circuit between ABS HU/CM terminal B and ground, then go to next step.
6 | VERIFY TROUBLESHOOTING COMPLETED • Clear DTC from memory. (See Clearing DTCs Procedures.) • 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 CM, then go to next step.
No | Go to next step.
7 | VERIFY AFTER REPAIR PROCEDURE • Is there any other DTC present? | Yes | Go to applicable DTC inspection.
No | Troubleshooting completed.