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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 195 (Brake Control System (With VDC) (Diagnostic Trouble Codes (DTCS) C1113-U110D And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Brake Warning Lamp >> Component Function Check >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK BRAKE WARNING LAMP FUNCTION (1)

    Check that brake warning lamp in combination meter turns ON for several seconds after ignition switch is turned ON.

    CAUTION:

    Never set the vehicle to READY/Never start the engine.

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  2. CHECK BRAKE WARNING LAMP FUNCTION (2)

    Check that brake warning lamp 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 STEP 3  .

    NO 

    Check the 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 the brake fluid level switch system. Refer to DIAGNOSIS PROCEDURE .

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