AV Communication Line Check (Between Display Control Unit and AV Switch)

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AV SWITCH CIRCUIT

Turn ignition switch OFF.
Disconnect display control unit connector M95 and AV switch connector M98.

Check continuity between display control unit and AV switch.

Fig 1: Checking Continuity Between Display Control Unit And AV Switch

Courtesy of NISSAN MOTOR CO., U.S.A.

CONTINUITY BETWEEN DISPLAY CONTROL UNIT AND AV SWITCH

Terminals				Continuity
Display control unit		Display unit
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M95	28 (V)	M98	6 (V)	Yes
M95	30 (LG)	M98	8 (LG)	Yes

Check continuity between display control unit and ground.

CONTINUITY BETWEEN DISPLAY CONTROL UNIT AND GROUND

Terminals			Continuity
Display control unit		-
Connector	Terminal (Wire color)	-
M95	28 (V)	Ground	No
M95	30 (LG)	Ground	No

OK or NG

OK: GO TO 2.
NG: Repair harness or connector.

CHECK SELF-DIAGNOSIS OF DCU
1. Replace AV switch.
2. Connect display control unit connector and AV switch connector.
3. Turn ignition switch ON.
4. Start self-diagnosis of DCU and check the self-diagnosis result.
OK or NG
- OK: Inspection End.
- NG: Replace display control unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT ".