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Home >> Infiniti >> 2017 >> QX70 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Audio, Visual & Navigation System (Around View Monitor System) (DTC/Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Power Supply And Ground Circuit >> Around View Monitor Control 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 FUSE

    1. Turn ignition switch OFF.
    2. Check that the following fuse is not fusing.
      Power source Fuse No. Capacity
      Battery #7 15 A
      Ignitions switch ACC #1 10 A
      Ignition switch ON #14 5 A

    Is the fuse fusing?

    YES 

    Replace fuse after repairing the applicable circuit.

    NO 

    GO TO STEP 2  .

  2. CHECK POWER SUPPLY CIRCUITS

    Check voltage between around view monitor control unit harness connector and ground.

    Signal name (+) (-) Ignition switch position Value (Approx.)
    Around view monitor control unit
    Connector Terminal
    Battery power supply B50 2 Ground OFF Battery voltage
    ACC power supply 4 ACC
    Ignition signal 3 ON

    Is inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Check harness between around view monitor control unit and fuse.

  3. CHECK GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector.
    3. Check continuity between around view monitor control unit harness connector and ground.
      (+) (-) Continuity
      Around view monitor control unit
      Connector Terminal
      B50 1 Ground Existed

    Is inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.

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