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RGB AREA (YS) SIGNAL CIRCUIT


Description

Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display unit.





RGB AREA (YS) SIGNAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Without Navigation.
1.CHECK CONTINUITY RGB AREA (YS) 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 9 and AV control unit harness connector M171 (B) terminal 43.





4. Check continuity between display unit harness connector M93
(A) terminal 9 and ground.





Are continuity results as specified?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK RGB SYNCHRONIZING 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 9 and ground.







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