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Home >> Nissan-Datsun >> 2009 >> 370Z Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio System, Visual System, Navigation System >> BOSE Audio With Navigation >> Component Diagnosis >> Aux Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect auxiliary input jacks connector and front display unit connector.
    3. Check continuity between auxiliary input jacks harness connector and front display unit harness connector.
      CONTINUITY REFERENCE CHART

      Auxiliary input jacks Front display unit Continuity
      Connector Terminals Connector Terminals
      M258 7 M75 15 Existed
      8 5
    4. Check continuity between front display unit harness connector and ground.
      CONTINUITY REFERENCE CHART

      Front display unit Ground Continuity
      Connector Terminal
      M75 15 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK AUX IMAGE SIGNAL
    1. Connect auxiliary input jacks connector and front display unit connector.
    2. Turn ignition switch ON.
    3. Check signal between AV control unit harness connector using an oscilloscope.
      SIGNAL WAVEFORM REFERENCE CHART

      (+) (-) Condition Reference value
      Front display unit Front display unit
      Connector Terminal Connector Terminal
      M75 15 M75 5 When AUX image is displayed.
      G04890020Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace front display unit.

      NO: Check that there is no malfunction in the external device.

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