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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (INFINITI INTOUCH) (Introduction, Wiring Diagrams And Basic Inspection) (Except Hybrid) >> System Description >> Diagnosis System (Display Control Unit) >> On Board Diagnosis Function >> Self - Diagnosis Results >> A Connecting Cable Between Units Is Displayed In Yellow.
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A Connecting Cable Between Units Is Displayed In Yellow.

Area with yellow connection lines Description Possible malfunction location / Action to take
DCU → Audio Head Unit When either one of the following items are detected:
  • AV control unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and AV control unit are malfunctioning.
  • USB communication circuits between display control unit and AV control unit are malfunctioning.
  • AV control unit power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and AV control unit are malfunctioning.
  • USB communication circuits between display control unit and AV control unit are malfunctioning.
DCU → Second Display When either one of the following items are detected:
  • Integral switch power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and integral switch are malfunctioning.
  • Integral switch power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and integral switch are malfunctioning.
DCU → BOSE Amp When either one of the following items are detected:
  • BOSE amp. power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and BOSE amp. are malfunctioning.
  • BOSE amp. power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and BOSE amp. are malfunctioning.
DCU → AVM When either one of the following items are detected:
  • Around view monitor control unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and around view monitor control unit are malfunctioning.
  • Around view monitor control unit power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and around view monitor control unit are malfunctioning.
DCU → Meter When either one of the following items are detected:
  • Combination meter power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and combination meter are malfunctioning.
  • Combination meter power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and combination meter are malfunctioning.
DCU → Rear Camera Malfunction is detected in rear view camera circuit between display control unit and rear view camera. Rear view camera power supply and ground circuits.
Refer to DIAGNOSIS PROCEDURE .
Navigation unit → GPS Antenna GPS antenna connection malfunctions detected. GPS antenna
Refer to DIAGNOSIS PROCEDURE .
Audio Head Unit → XM Antenna Satellite antenna connection malfunctions detected. Satellite antenna
Refer to DIAGNOSIS PROCEDURE .
Audio Head Unit → Radio Antenna Window antenna connection malfunctions detected. Window antenna
Refer to DIAGNOSIS PROCEDURE .
Second Display → IT-Commander Multifunction switch connection malfunctions detected. Multifunction switch
Refer to DIAGNOSIS PROCEDURE .
DCU → Navigation unit USB communication circuits between display control unit and NAVI control unit are malfunctioning. USB communication circuits between display control unit and NAVI control unit are malfunctioning.
Refer to DIAGNOSIS PROCEDURE .
DCU → TCU USB communication circuits between display control unit and TCU are malfunctioning. USB communication circuits between display control unit and TCU are malfunctioning.
Refer to DIAGNOSIS PROCEDURE .