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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System >> Component /Circuit Diagnosis >> Brake Warning Lamp >> Component Function Check
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Component Function Check

  1. CHECK BRAKE WARNING LAMP FUNCTION (1) 

    Check that brake warning lamp in combination meter turns ON for approximately 1 second after ignition switch is turned ON.

    CAUTION:

    Never start engine.

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Refer to Diagnosis Procedure .

  2. CHECK BRAKE WARNING LAMP FUNCTION (2) 

    Check that brake warning lamp in combination meter turns ON/OFF when parking brake is operated.

    NOTE: Brake warning lamp turns ON when parking brake is operated (when parking brake switch is ON).

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Check parking brake switch system. Refer to Diagnosis Procedure .

  3. CHECK BRAKE WARNING LAMP FUNCTION (3) 

    Check that brake warning lamp in combination meter turns ON/OFF when brake fluid level switch is operated while brake fluid level in reservoir tank is with the specified level.

    NOTE: Brake warning lamp turns ON when brake fluid is less than the specified level (when brake fluid level switch is ON).

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Check brake fluid level switch system. Refer to DTC Diagnosis Procedure .

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