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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Audio, Visual & Navigation System (Base Audio Without Navigation)) >> DTC/Circuit Diagnosis >> RGB Area (YS) Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY RGB AREA (YS) 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.
      Display unit AV control unit Continuity
      Connector Terminal Connector Terminal
      M195 9 M82 40 Existed
    4. Check continuity between display unit harness connector and ground.
      Display unit Ground Continuity
      Connector Terminal
      M195 9 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK RGB AREA (YS) SIGNAL 
    1. Connect display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between display unit harness connector and ground.
      (+) (-) Condition Reference value (Approx.)
      Display unit
      Connector Terminal
      M195 9 Ground At RGB image is displayed. 5.0 V
      At camera image is displayed.
      G08884771

      Is the inspection result normal? 

      YES: Replace display unit. Refer to "REMOVAL AND INSTALLATION ".

      NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".

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