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.
• 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.