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Home >> Infiniti >> 2016 >> QX70 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Without Navigation) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Horizontal Synchronizing (Hp) Signal Circuit >> Diagnosis Procedure
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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 and AV control unit harness connector.
      Front display unit AV control unit Continuity
      Connector Terminal Connector Terminal
      M194 8 M202 38 Existed
    4. Check continuity between front display unit harness connector and ground.
      Front display unit Ground Continuity
      Connector Terminal
      M194 8 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 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 and ground.
      (+) (-) Reference value
      Front display unit
      Connector Terminal
      M194 8 Ground
      G04079342Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Replace front display unit. Refer to REMOVAL AND INSTALLATION .

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