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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (Diagnostics) >> Symptom Diagnosis >> Meter System >> The Parking Brake Release Warning Continues Displaying, Or Does Not Display >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK PARKING BRAKE WARNING LAMP OPERATION 
    1. Start engine.
    2. Check the operation of the brake warning lamp when 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 COMBINATION METER : Removal & Installation .

    NO

    GO TO 2.

  2. CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check the parking brake switch signal circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair harness or connector.

  3. 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 COMBINATION METER : Removal & Installation .

    NO

    Replace parking brake switch. Refer to PARKING BRAKE CONTROL : Exploded View .