Power Supply and Ground Circuit Check for 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 FUSES

Check the fuses below.

FUSE SPECIFICATION

Unit	Power source	Fuse No.
AV switch	Battery power	19
AV switch	Ignition switch ACC or ON	4

OK or NG

OK: GO TO 2.

NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

CHECK POWER SUPPLY CIRCUIT

Disconnect AV switch connector.

Check voltage between AV switch and ground.

TERMINALS VOLTAGE CHART

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

Fig 1: Checking Voltage Between AV Switch And Ground

OK or NG

OK: GO TO 3.

NG: Check harness for open between AV switch and fuse.

CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between AV switch harness connector M98 terminal 5 and ground.
  Continuity should exist.
OK or NG

OK: Inspection End.

NG: Repair ground harness.

Fig 2: Checking Continuity Between AV Switch Connector M98 Terminal 5 And Ground