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Home >> Infiniti >> 2011 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> DTC/Circuit Diagnosis >> RGB Digital Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect display unit connector and AV control unit connector.
    3. Check continuity between display unit harness connector and AV control unit harness connector.
      TERMINALS CONTINUITY REFERENCE CHART

      Display unit AV control unit Continuity
      Connector Terminals Connector Terminals
      M386 27 M385 157 Existed
      28 158
    4. Check continuity between display unit harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      Display unit Ground Continuity
      Connector Terminals
      M386 27 Not existed
      28

      Is the inspection result normal? 

      YES: Go to 2.

      NO: Repair harness or connector.

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

      (+) (-) Condition Voltage (Approx.)
      Display unit
      Connector Terminals
      M386 27 Ground - 3.0 V
      28

      Is the inspection result normal? 

      YES: Replace display unit. Refer to "EXPLODED VIEW ".

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