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Home >> Infiniti >> 2011 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (Audio System, Visual System & Navigation System (Base Audio Without Navigation) - G37 Convertible) >> DTC/Circuit Diagnosis >> Disk Eject Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  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.
      CONTINUITY REFERENCE CHART

      Multifunction switch AV control unit Continuity
      Connector Terminal Connector Terminal
      M72 14 M204 96 Existed
    4. Check continuity between multifunction switch harness connector and ground.
      CONTINUITY REFERENCE CHART

      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 multifunction switch connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between AV control unit harness connector and ground.
      VOLTAGE REFERENCE CHART

      (+) (-) Condition Voltage (Approx.)
      AV control unit
      Connector Terminal
      M204 96 Ground Pressing the eject switch 0 V
      Except for above 3.3 V

      Is the inspection result normal? 

      YES: Replace preset switch. Refer to "EXPLODED VIEW ".

      NO: Replace AV control unit. Refer to "EXPLODED VIEW ".

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