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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Rear View Monitor System) >> 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 ==> 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 ==> TGW When either one of the following items are detected:
  • CAN gateway power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and CAN gateway are malfunctioning.
  • CAN gateway power supply and ground circuits are malfunctioning.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and CAN gateway are malfunctioning.
DCU ==> Switches When either one of the following items are detected:
  • Preset switch power supply and ground circuits are malfunctioning.
  • AV communication circuits between display control unit and preset switch are malfunctioning.
  • Preset switch power supply and ground circuits are malfunctioning.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between display control unit and preset switch 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 .
DCU ==> Navigation unit USB communication circuits between display control unit and NAVI control unit are malfunctioning.
  • Check NAVI control unit power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • USB communication circuits between display control unit and NAVI control unit are malfunctioning.
DCU ==> TCU USB communication circuits between display control unit and TCU are malfunctioning.
  • Check TCU power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • USB communication circuits between display control unit and TCU are malfunctioning.
Navigation unit ==> GPS Antenna GPS antenna connection malfunctions detected. GPS antenna
Refer to DIAGNOSIS PROCEDURE .
Audio Head Unit ==> XM Antenna Satellite radio antenna connection malfunctions detected. Satellite radio antenna
Refer to DIAGNOSIS PROCEDURE .
Audio Head Unit ==> Radio Antenna AM/FM main antenna connection malfunctions detected. AM/FM main antenna
Refer to DIAGNOSIS PROCEDURE .
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