Door Mirror Defogger Power Supply Circuit Check

• Check 15A fuse [No.8, located in fuse block (J/B)]

OK or NG 

1. OK: GO TO 2.
2. NG: If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) connector and ground.
   Fig 1: Connector Terminal Wire Color Specification

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Voltage Between Fuse Block (J/B) Connector And Ground

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

OK or NG 

1. OK: GO TO 3.
2. NG: Repair or replace harness.

Check voltage between fuse block (J/B) connector and ground.

Fig 3: Connector Terminal Wire Color Specification

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

Fig 4: Checking Voltage Between Fuse Block (J/B) Connector And Ground

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

OK or NG 

1. OK: GO TO 4.
2. NG: Replace fuse block (J/B).

1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) and door mirror connector.
3. Check continuity between fuse block (J/B) connector M2 terminal 5B and door mirror connector D2 (driver side) or D32 (passenger side) terminal 1.
   1. 5B (L) - 1 (L): Continuity should exist. 

OK or NG 

1. OK: GO TO 5.
2. NG: Repair or replace harness.

Fig 5: Checking Door Mirror Circuit

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

Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminal 2 and ground.

1. 2 (B) - Ground: Continuity should exist. 

OK or NG 

1. OK: GO TO 6.
2. NG: Repair or replace harness.

Fig 6: Checking Ground Circuit

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

1. Connect door mirror connector.
2. Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminals 1 and 2.
   1. 1 (L) - 2 (B): Continuity should exist. 

OK or NG 

1. OK: Check condition of harness and connector.
2. NG: Replace malfunctioning door mirror.

Fig 7: Checking Door Mirror Defogger

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