Power Supply and Ground Circuit Inspection

2006 Infiniti FX35 AWDSECTION Power Supply and Ground Circuit Inspection
  1. CHECK FUSE 

    Make sure the fuses for rear view camera control unit is blown.

    POWER SOURCE CHART

    Power source Fuse No.
    Battery power supply 19
    ACC power supply 6

    OK or NG 

    OK : GO TO 2.

    NG : Be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

  2. CHECK POWER SUPPLY CIRCUIT 

    Check voltage between rear view camera control unit harness connector M48 terminals 1, 2 and ground.

    TERMINALS REFERENCE VALUE CHART

    Terminals OFF ACC
    (+) (-)
    Connector Terminal
    M48 1 Ground Battery voltage Battery voltage
    2 Ground 0 V Battery voltage
    Fig 1: Identifying Voltage Between Rear View Camera Control Unit Harness Connector M48 Terminals And Ground
    G04078634Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Check harness between rear view camera control unit and fuse.

  3. CHECK REAR VIEW CAMERA CONTROL UNIT GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect rear view camera control unit connector.
    3. Check continuity between rear view camera control unit harness connector M48 terminal 3 and ground.

      3 - Ground : Continuity should exist. 

    OK or NG 

    OK : INSPECTION END

    NG : Repair harness or connector.

    Fig 2: Identifying Continuity Between Rear View Camera Control Unit Harness Connector M48 Terminal And Ground
    G04078635Courtesy of NISSAN MOTOR CO., U.S.A.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.