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Home >> Infiniti >> 2017 >> QX70 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Driver Assistance System (Active Lane Control) (DTC/Circuit Diagnosis) (Hybrid)) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Lane Camera Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK FUSES

    Check if any of the following fuses are blown:

    Signal name Fuse No.
    Ignition power supply 14

    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
    R13 7 OFF 0 V
    ON 12 V

    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
      R13 1 Existed
      5

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the lane camera unit ground circuit.

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