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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (Forward Emergency Braking) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSES

    Check if any of the following fuses are blown:

    Signal Name Fuse No.
    Ignition Power Supply 22

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

  2. CHECK LANE CAMERA UNIT POWER SUPPLY CIRCUIT

    Check voltage between Lane Camera Unit harness connector and ground.

    Terminal Condition Voltage
    (Approx.)
    (+) (-)
    Lane Camera Unit Ground Ignition switch
    Connector Terminal
    R1 3 OFF 0 V
    ON Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair the Lane Camera Unit power supply circuit.

  3. CHECK LANE CAMERA UNIT GROUND CIRCUIT

    1. Turn the ignition switch OFF.
    2. Disconnect the Lane Camera Unit connector.
    3. Check for continuity between Lane Camera Unit harness connector and ground.
      Lane Camera Unit Ground Continuity
      Connector Terminal
      R1 1 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the Lane Camera Unit ground circuit.

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