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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System >> Without Mobile Entertainment System >> Component Diagnosis >> Hp Signal Circuit (Front Display Unit To Av Control Unit) >> With Navigation >> WITH NAVIGATION : Diagnosis Procedure
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WITH NAVIGATION : Diagnosis Procedure

  1. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front display unit connector and AV control unit connector.
    3. Check continuity between front display unit harness connector terminal 8 and AV control unit harness connector terminal 100.

      8 - 100 : Continuity should exist  .

    4. Check continuity between front display unit harness connector terminal 8 and ground.

    8 - Ground : Continuity should not exist  .

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair harness or connector.

  2. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
    1. Connect front display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between front display unit harness connector terminal 8 and ground.
    FRONT DISPLAY UNIT HARNESS CONNECTOR REFERENCE

    8 - Ground
    G04923333Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: Replace AV control unit.

    NO: Replace front display unit.

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