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 .