A Connecting Cable Between Units Is Displayed In Yellow.

Area With Yellow Connection Lines	Description	Possible Malfunction Location / Action To Take
Control unit → Front Display	Serial communication circuits between AV control unit and front display unit are malfunctioning.	Serial communication circuits between AV control unit and front display unit.
Control unit → GPS Antenna	GPS antenna connection malfunctions detected.	GPS antenna
Control unit → XM Antenna	Satellite radio antenna connection malfunction is detected.	Satellite radio antenna disconnection
Control unit → Video Dist.(Rear)	When either one of the following items are detected: Rear display unit power supply and ground circuits are malfunctioning. AV communication circuits between AV control unit and rear display unit are malfunctioning.	Rear display unit power supply and ground circuits. Refer to DIAGNOSIS PROCEDURE . AV communication circuits between AV control unit and rear display unit.