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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Audio, Visual, Navigation System (CROSSCABRIOLET)) >> BOSE Audio With Navigation >> DTC/Circuit Diagnosis >> Aux Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
    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.
      CONTINUITY REFERENCE CHART

      Auxiliary input jacks AV control unit Continuity
      Connector Terminal Connector Terminal
      M253 7 M179 26 Existed
    4. Check continuity between auxiliary input jacks harness connector and ground.
      CONTINUITY REFERENCE CHART

      Auxiliary input jacks Ground Continuity
      Connector Terminal
      M253 7 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 AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between auxiliary input jacks harness connector and ground.
      SIGNAL REFERENCE CHART

      (+) (-) Condition Reference value
      Auxiliary input jacks
      Connector Terminal
      M253 7 Ground At AUX image is displayed.
      G04890020

      Is the inspection result normal? 

      YES: Replace AV control unit. Refer to "EXPLODED VIEW ".

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