Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect door mirror LH.
Turn ignition switch ON.

Check voltage between door mirror LH connector and ground.

TERMINAL VOLTAGE REFERENCE CHART

Terminals			Condition of rear window defogger switch	Voltage (V) (Approx.)
(+)		(-)
Door mirror LH connector	Terminal
D4	5	Ground	ON	Battery voltage
			OFF	0

Fig 1: Checking Voltage Between Door Mirror LH Connector And Ground

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

Is the inspection result normal?

YES: GO TO 2

NO: Repair or replace harness.

CHECK GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between door mirror LH connector and ground.

TERMINAL CONTINUITY REFERENCE CHART

Door mirror LH connector	Terminal	Ground	Continuity
D4	13	Ground	Yes

Fig 2: Checking Continuity Between Door Mirror LH Connector And Ground

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

Is the inspection result normal?

YES: GO TO 3

NO: Repair or replace harness.

CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 4

NO: Replace door mirror. Refer to "REMOVAL AND INSTALLATION ".
CHECK INTERMITTENT INCIDENT
Check intermittent incident.

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal?

YES: Check the following.
- Battery power supply circuit.
- Fuse block (J/B).
NO: Repair or replace the malfunctioning parts.