Bose Audio With Navigation

RGB (B: BLUE) SIGNAL CIRCUIT





Description
Transmit the image displayed with AV control unit with RGB signal to the display unit.




Diagnosis Procedure
Regarding Wiring Diagram information, Bose Audio With Navigation.
1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect display unit connector M168 and AV control unit connector M162.
3. Check continuity between display unit harness connector M168
(A) terminal 18 and AV control unit harness connector M162 (B) terminal 23.





4. Check continuity between display unit harness connector M168
(A) terminal 18 and ground.





Are continuity results as specified?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK RGB (B: BLUE) SIGNAL





1. Connect display unit connector M168 and AV control unit connector M162.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M168 terminal 18 and ground.






Are voltage readings as specified?
YES - Replace display unit. Removal And Installation Bose Audio With Navigation.
NO - Replace AV control unit. Removal And Installation Bose Audio With Navigation.