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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Abs Warning Lamp >> Diagnosis Procedure

Diagnosis Procedure

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

    Perform diagnosis of ABS Actuator and Electric Unit (Control Unit) power supply and ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace error-detected parts.

  2. PERFORM THE SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    Perform self-diagnosis for "ABS".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 3.

  3. CHECK ABS WARNING LAMP SIGNAL 

    SYMBOL With CONSULT

    1. Select "ABS", "DATA MONITOR" and "ABS WARN LAMP" according to this order.
    2. Turn the ignition switch OFF.
    3. Check that data monitor displays "On" for approx. 1 second after ignition switch is turned ON, and then changes to "Off".
      CAUTION: Never start engine.

    Is the inspection result normal?

    YES

    Check combination meter. Refer to CONSULT Function .

    NO

    Replace ABS Actuator and Electric Unit (Control Unit). Refer to Removal and Installation .