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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 >> Disk Eject 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 DISK EJECT SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect multifunction switch connector and AV control unit connector.
    3. Check continuity between multifunction switch harness connector and AV control unit harness connector.
      TERMINALS CONTINUITY SPECIFICATION

      Multifunction switch AV control unit Continuity
      Connector Terminal Connector Terminal
      M72 14 M85 103 Existed
    4. Check continuity between multifunction switch harness connector and ground.
      TERMINALS CONTINUITY SPECIFICATION

      Multifunction switch Ground Continuity
      Connector Terminal
      M72 14 Not existed

    Is the inspection result normal? 

    YES: GO TO  2.

    NO: Repair harness or connector.

  2. CHECK AV CONTROL UNIT VOLTAGE 
    1. Connect AV control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between AV control unit harness connector and ground.
      TERMINALS REFERENCE

      (+) (-) Reference value (Approx.)
      AV control unit
      Connector Terminal
      M85 103 Ground 3.3 V

    Is the inspection result normal? 

    YES: Replace preset switch.

    NO: Replace AV control unit.