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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brake Control System (Symptom Diagnosis & Removal And Installation) (With VDC) (Except Hybrid) >> Symptom Diagnosis >> Brake Pedal Vibration Or Operation Sound Occurs >> Diagnosis Procedure

Diagnosis Procedure

  1. SYMPTOM CHECK 1

    Check that there are pedal vibrations when the engine is started.

    Do vibrations occur?

    YES 

    GO TO STEP 2  .

    NO 

    Check brake pedal. Refer to INSPECTION AND ADJUSTMENT .

  2. SYMPTOM CHECK 2

    Check that motor sound from ABS actuator occurs when the engine starts.

    Does the operation sound occur?

    YES 

    GO TO STEP 3  .

    NO 

    Perform self-diagnosis for "ABS" with CONSULT.

  3. SYMPTOM CHECK 3

    Check symptoms when electrical component (headlamps, etc.) switches are operated.

    Does the symptom occur?

    YES 

    Check that radio (including wiring), antenna and antenna lead-in wires are not located near ABS actuator and electric unit (control unit). Move them if they are located near ABS actuator and electric unit (control unit).

    NO 

    GO TO STEP 4  .

  4. PERFORM SELF-DIAGNOSIS

    CONON With CONSULT

    1. Turn the ignition switch OFF → ON.
      CAUTION:
      • Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
      • 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