Diagnosis Procedure
- CHECK PARKING BRAKE SWITCH CIRCUIT
- Turn the ignition switch OFF.
- Disconnect parking brake switch harness connector.
- Disconnect combination meter harness connector.
- Check the continuity between parking brake switch harness connector and combination meter harness connector.
Parking brake switch
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
E35
1
M24
26
Yes
- Check the continuity between parking brake switch harness connector and ground.
Parking brake switch
-
Continuity
Connector
Terminal
E35
1
Ground
No
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace error-detected parts.
- CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to Inspection .
Is the inspection result normal?
YES
GO TO 3 .
NO
Replace the parking brake switch. Refer to Removal and Installation .
- CHECK PARKING BRAKE SWITCH SIGNAL
CONSULT
- Select "Data Monitor" mode of "ICC/ADAS".
- Select "PKB SW".
- Check that the function operates normally according to the following conditions:
Condition
Data Monitor
Operate parking brake.
On
Release parking brake.
Off
Is the inspection result normal?
YES
Inspection End.
NO
GO TO 4 .
- CHECK COMBINATION METER
Check the combination meter. Refer to CONSULT Function (METER/M&A) .
Is the inspection result normal?
YES
GO TO 5 .
NO
Repair or replace combination meter. Refer to Removal and Installation .
- CHECK TERMINAL
- Check the combination meter pin terminals for damage or loose connection with harness connector.
- Check the parking brake switch pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation .
NO
Repair or replace error-detected parts.