Diagnosis Procedure

CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect display unit connector and AV control unit connector.

Check continuity between display unit harness connector and AV control unit harness connector.

Display unit		AV control unit		Continuity
Connector	Terminals	Connector	Terminals
M397	27	M396	157	Existed
	28		158

Check continuity between display unit harness connector and ground.

Display unit		Ground		Continuity
Connector	Terminals
M397	27			Not existed
	28

Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Repair harness or connector.

CHECK RGB DIGITAL IMAGE SIGNAL

Connect AV control unit connector.
Turn ignition switch ON.

Check signal between display unit harness connector and ground.

(+)		(-)		Condition	Voltage (Approx.)
Display unit
Connector	Terminal
M397	27	Ground		-	1.3 V
	28

Is the inspection result normal?

YES

Replace display unit. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

NO

Replace AV control unit. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .