Check Driver Side Door Mirror Defogger Circuit

CHECK POWER SUPPLY CIRCUIT

Check voltage between door mirror LH connector and ground.

VOLTAGE SPECIFICATION

Terminals			Condition of rear window defogger switch	Voltage (V) (Approx.)
(+)		(-)
Door mirror LH connector	Terminal	(-)
D2	4	Ground	ON	Battery voltage
D2	4	Ground	OFF	0

OK or NG

OK: GO TO 2.

NG: Repair or replace harness between fuse block (J/B) and door mirror LH.

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

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

CHECK GROUND CIRCUIT

Check continuity between door mirror LH connector and ground.

CONTINUITY SPECIFICATION

Door mirror LH connector	Terminal	Ground	Continuity
D2	8	Ground	Yes

OK or NG

OK: GO TO 3.

NG: Repair or replace harness between door mirror LH and ground.

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

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

CHECK DOOR MIRROR DEFOGGER

Check door mirror LH.

CONTINUITY SPECIFICATION

Door mirror LH connector	Terminal		Continuity
D2	4	8	Yes

OK or NG

OK: Check condition of harness and connector.

NG: Replace door mirror LH.

Fig 3: Checking Continuity Between Door Mirror LH Connector Terminal

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