Power Supply and Ground Circuit Check for AV Switch

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE

Make sure the following fuses of the AV switch are not blown.

CHECK FUSE

Terminals		Power source	Fuse No.
Connector	Terminal (Wire color)
M98	1 (Y)	Battery power	31
	2 (V)	ACC power	4

OK or NG

OK : GO TO 2.
NG : If fuse is blown, be sure to eliminate case of malfunction before installing new fuse. Refer to POWER DISTRIBUTION .

POWER SUPPLY CIRCUIT

Disconnect AV switch connector.

Check voltage between connector terminals and ground as follows.

AV SWITCH CONNECTOR TERMINALS VOLTAGE

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal (Wire color)	(-)	OFF	ACC	ON
M98	1 (Y)	Ground	Battery voltage	Battery voltage	Battery voltage
M98	2 (V)	Ground	0 V	Battery voltage	Battery voltage

Fig 1: Checking Voltage Between AV Switch Connector Terminals And Ground

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

OK or NG

OK : GO TO 3.
NG : Check harness for open or short between AV switch and fuse.

CHECK GROUND CIRCUIT

Check continuity between AV switch and ground as follows.

AV SWITCH CONNECTOR TERMINALS CONTINUITY

Terminals			Ignition switch	Continuity
Connector	Terminal (Wire color)	---	Ignition switch	Continuity
M98	5 (B)	Ground	OFF	Yes

Fig 2: Checking Continuity Between AV Switch Connector Terminals And Ground

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

OK or NG

OK : INSPECTION END.
NG : Repair or replace harness.