RGB (Red) Signal Circuit

RGB (R: RED) 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 Without Navigation.
1.CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect display unit connector M93 and AV control unit connector M171.
3. Check continuity between display unit harness connector M93
(A) terminal 17 and AV control unit harness connector M171 (B) terminal 40.





4. Check continuity between display unit harness connector M93
(A) terminal 17 and ground.





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





1. Connect display unit connector M93 and AV control unit connector M171.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M93 terminal 17 and ground.






Are the voltage readings as specified?
YES - Replace display unit. Removal And Installation Bose Audio Without Navigation.
NO - Replace AV control unit. Removal And Installation Bose Audio Without Navigation.