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Home >> Infiniti >> 2016 >> QX50 RWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (BOSE Audio With Navigation) (Diagnostic Trouble Codes (DTCS) B272C-U1310 And Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Around View Monitor Control Unit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE

    Check for blown fuses.

    Power source Fuse No.
    Battery 34
    Ignition switch ACC 19
    Ignition switch ON or START 3

    Is inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Be sure to eliminate cause of malfunction before installing new fuse.

  2. CHECK POWER SUPPLY CIRCUITS

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

    Signal name Around view monitor control unit Ignition switch position Value (Approx.)
    Connector Terminal
    Battery power supply B92 2 OFF Battery voltage
    ACC power supply 4 ACC Battery voltage
    Ignition signal 3 ON Battery voltage

    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.
      Signal name Around view monitor control unit Ignition switch position Continuity
      Connector Terminal
      Ground B92 1 OFF Existed

    Is inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.