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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Audio, Visual & Navigation System - Base Audio Without Navigation) >> Base Audio Without Navigation >> Component Diagnosis >> Aux Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT (AUX INPUT JACKS AND AV CONTROL UNIT) 
    1. Turn ignition switch OFF.
    2. Disconnect auxiliary input jacks connector and AV control unit connector.
    3. Check continuity between auxiliary input jacks harness connector and AV control unit harness connector.
      TERMINALS CONTINUITY SPECIFICATION

      Auxiliary input jacks AV control unit Continuity
      Connector Terminal Connector Terminal
      M154 7 M84 66 Existed
    4. Check continuity between auxiliary input jacks harness connector and ground.
      TERMINALS CONTINUITY SPECIFICATION

      Auxiliary input jacks Ground Continuity
      Connector Terminal
      M154 7 Not existed

    Is the inspection result normal? 

    YES: GO TO  2.

    NO: Repair harness or connector.

  2. CHECK AUX IMAGE SIGNAL (AUX INPUT JACKS TO AV CONTROL UNIT) 
    1. Connect display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between auxiliary input jacks harness connector and ground.
      TERMINALS REFERENCE

      (+) (-) Condition Reference value
      Auxiliary input jacks
      Connector Terminal
      M154 7 Ground At AUX image is displayed.
      G05731572Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO  3.

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

  3. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT AND DISPLAY UNIT) 
    1. Turn ignition switch OFF.
    2. Disconnect auxiliary input jacks connector and AV control unit connector.
    3. Check continuity between display unit harness connector and AV control unit harness connector.
      TERMINALS CONTINUITY SPECIFICATION

      Display unit AV control unit Continuity
      Connector Terminal Connector Terminal
      M71 15 M83 36 Existed
    4. Check continuity between display unit harness connector and ground.
      TERMINALS CONTINUITY SPECIFICATION

      Display unit Ground Continuity
      Connector Terminal
      M71 15 Not existed

    Is the inspection result normal? 

    YES: GO TO  4.

    NO: Repair harness or connector.

  4. CHECK COMPOSITE IMAGE SIGNAL 
    1. Connect AV control unit connector and display unit connector.
    2. Turn ignition switch ON.
    3. Check signal between display unit harness connector and ground.
      TERMINALS REFERENCE

      (+) (-) Condition Reference value
      Display unit
      Connector Terminal
      M71 15 Ground At AUX image is displayed.
      G05731573Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: Replace display unit.

    NO: Replace AV control unit.

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