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

WARNING: This page is about a different car, the 2007 Nissan Quest. 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 (A) and AV switch connector M98 (B).

Check continuity between display control unit and AV switch.

TERMINALS CONTINUITY CHART

Terminals				Continuity
(A)		(B)
Connector	Terminal	Connector	Terminal
M95	28	M98	6	Yes
M95	30	M98	8	Yes

Check continuity between display control unit and ground.

TERMINALS CONTINUITY CHART

Terminals			Continuity
Display control unit		-
Connector	Terminal	-
M95	28	Ground	No
M95	30	Ground	No

Fig 1: Checking Continuity Between Display Control Unit And Ground

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 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 "DISPLAY CONTROL UNIT ".