Check Driver Side Door Mirror Defogger Circuit

1. Turn ignition switch OFF.
2. Disconnect door mirror LH connector.
3. Turn ignition switch ON.
4. 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
   			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.

1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector and ground.
   CONTINUITY SPECIFICATION
   
   

   Door mirror LH connector	Terminal	Ground	Continuity
   D2	8		Yes

   Fig 2: Checking Continuity Between Door Mirror Connector And Ground

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

OK or NG 

OK: GO TO 3.

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

1. Connector door mirror LH connector.
2. Check door mirror LH.
   DOOR MIRROR DEFOGGER 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 Door Mirror

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