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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brake Control System (VDC - Diagnostic Trouble Codes (DTCS) Symptom Tests And Component R&R) (Exc Hybrid) >> DTC/Circuit Diagnosis >> DTC C1164, C1165: CV System >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. CHECK CONNECTOR

    1. Turn the ignition switch OFF.
    2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair / replace harness or connector, securely lock the connector, and GO TO STEP 2  .

  2. PERFORM SELF-DIAGNOSIS

    With CONSULT

    Perform self-diagnosis for "ABS" again.

    Is any DTC "C1164" or "C1165" detected?

    YES 

    GO TO STEP 3  .

    NO 

    INSPECTION END

  3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

    Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair / replace harness, connector, fuse, or fusible link.

  4. CHECK TERMINAL

    Check the ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness.

    Is the inspection result normal?

    YES 

    Replace the ABS actuator and electric unit (control unit). Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair / replace harness, connector, or terminal.