Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- The parking brake warning is displayed during vehicle travel even though the parking brake is released.
- The parking brake warning is not displayed even though driving the vehicle with the parking brake applied.
- CHECK PARKING BRAKE WARNING LAMP OPERATION
- Start engine.
- Check the operation of the brake warning lamp while operating the parking brake.
Condition
Warning lamp status
Parking brake applied
ON
Parking brake released
OFF
Is the inspection result normal?
YES
Replace combination meter. Refer to Removal and Installation .
NO
GO TO 2.
- CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Check the parking brake switch signal circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness or connectors.
- CHECK PARKING BRAKE SWITCH UNIT
Perform a unit check for the parking brake switch. Refer to Component Inspection .
Is the inspection result normal?
YES
Replace combination meter. Refer to Removal and Installation .
NO
Replace parking brake switch. Refer to Exploded View .