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Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (With VDC) >> Symptom Diagnosis >> Abs Function Does Not Operate >> Diagnosis Procedure

Diagnosis Procedure

CAUTION:
  • VDC function, ABS function, EBD function, brake assist function and Brake force distribution function never operate when the vehicle speed is 10 km/h (6.2 MPH) or less. However, TCS function and brake limited slip differential (BLSD) function operates when the vehicle speed is 0 km/h (0 MPH) (the vehicle is in stop status).
  • VDC function and TCS function never operate when VDC OFF switch is operated (when VDC OFF indicator lamp turns ON).
  1. CHECK ABS WARNING LAMP

    Check that ABS warning lamp, brake warning lamp and VDC warning lamp turn ON and turn OFF approx. 1 second after key switch is turned ON. Check that ABS warning lamp, brake warning lamp and VDC warning lamp and stay in OFF status during driving.

    CAUTION: Brake warning lamp turns ON when parking brake is operated (parking brake switch is ON) or brake fluid is less than the specified level (brake fluid level switch is ON).

    Is the inspection result normal? 

    YES: Normal

    NO: GO TO 2.

  2. PERFORM THE SELF-DIAGNOSIS

    ◦ With CONSULT

    1. Turn the ignition switch OFF → ON.
      CAUTION:
      • Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
      • Set the vehicle to READY/Start the engine.
    2. Repeat step  1 two or more times.
    3. Perform self-diagnosis for "ABS".

      Is any DTC detected? 

      YES: Check the DTC. Refer to "DTC INDEX ".

      NO: INSPECTION END