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AV DIAGNOSIS SYSTEM (AV CONTROL UNIT) AV-423 < FUNCTION DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P Camera connection recognition signal Camera connection recognition signal When either one of the following • BOSE amp. power supply and ground circuits are malfunctioning. • AV communication signal between AV control unit and BOSE amp. is BOSE amp. power supply and ground When either one of the following • rear control switch power supply and ground circuits are malfunctioning. • AV communication signal between AV control unit and rear control Rear control switch power supply and Malfunction is detected in AV commu- AV communication circuits between Area with yellow connection lines Description Possible malfunction location / Action to take JSNIA1317GB JSNIA1318GB JSNIA1319GB JSNIA1320GB |