RGB (R: RED) SIGNAL CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector terminal 17 and AV control unit harness connector terminal 61.
   

   Display unit		AV control unit		Continuity
   Connector	Terminals	Connector	Terminals
   M71	17	M82	61	Existed

   
   
4. Check continuity between display unit harness connector terminal 17 and ground.
   

   Display unit		Ground	Continuity
   Connector	Terminals
   M71	17		Not existed

   
   

YES>>GO TO 2.

NO>>Repair harness or connector.

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

   (+)		(−)	Condition		Reference value
   Display unit
   Connector	Terminal
   M71	17	Ground	Ignition switch ON	Start confirmation/adjustment mode, and then display color bar by selecting “Color Spectrum Bar” on DISPLAY DIAGNOSIS screen.

   
   

YES>>Replace display unit.

NO>>Replace AV control unit.