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RGB (B: BLUE) SIGNAL CIRCUIT


Description

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





RGB (B: BLUE) SIGNAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Without Navigation.
1.CHECK CONTINUITY RGB (B: BLUE) 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 18 and AV control unit harness connector M171 (B) terminal 38.





4. Check continuity between display unit harness connector M93
(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 M93 and AV control unit connector M171.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M93 terminal 18 and ground.







Are voltage readings as specified?
YES - Replace display unit. Base Audio.
NO - Replace AV control unit. Base Audio.