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 DTC C1095, C1096 [ABS (ABS/TCS)]

DTC C1095, C1096 [ABS (ABS/TCS)]

id040214805900

DTC

C1095, C1096

Motor relay, pump motor

DETECTION CONDITION

• C1095:
- ABS motor stuck OFF when vehicle is started or during ABS (ABS/TCS) operation, ABS motor ON is commanded.
• C1096:
- ABS motor stuck OFF when vehicle is started or during ABS (ABS/TCS) operation, ABS motor ON is commanded.
- Motor monitor ON signal is not input after specified time when the motor signal is switched from ON to OFF by ABS (ABS/TCS) HU/CM.

POSSIBLE CAUSE

• Open circuit, or short to power supply or short to ground of motor relay and/or ABS motor in ABS (ABS/TCS) HU/CM
• 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
• Has DTC C1186 and/or C1266 also been stored?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
2
INSPECT ABS FUSE CONDITION
• Is ABS fuse (60 A) normal?
Yes
Go to the next step.
No
Replace fuse, then go to Step 6.
3
INSPECT MOTOR RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch off.
• Disconnect ABS (ABS/TCS) HU/CM connector.
• Turn the ignition switch to the ON position (engine off).
• Measure voltage between ABS (ABS/TCS) HU/CM terminal AB (harness-side) and ground.
• Is voltage B+?
Yes
Go to the next step.
No
Repair or replace harness for open circuit between battery positive terminal and ABS (ABS/TCS) HU/CM terminal AC, then go to Step 6.
4
INSPECT PUMP MOTOR GROUND CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch off.
• Inspect continuity between ABS (ABS/TCS) HU/CM terminal AD (harness-side) and ground.
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace harness for open circuit between ABS (ABS/TCS) HU/CM terminal AB and ground, then go to Step 6.
5
VERIFY PUMP MOTOR OPERATION
• Turn the ignition switch off.
• Connect WDS or equivalent to DLC-2.
• Turn the ignition switch to the ON position (engine off).
• Access ABS_POWER and PMP_MOTOR active command modes using the WDS or equivalent.
• Does pump motor operate?
Yes
Go to the next step.
No
Repair ABS (ABS/TCS) HU/CM, then go to the next step.
6
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the 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 (ABS/TCS) HU/CM, then go to the next step.
No
Go to the next step.
7
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to the applicable DTC inspection.
(See DTC Table.)
No
Troubleshooting completed.