Door Mirror Defogger Circuit Inspection

Check if the following fuse in the fuse block (J/B) is blown.

OK or NG 

OK: GO TO 2.

NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

1. Disconnect heated mirror relay.
2. Turn ignition switch ON.
3. Turn rear window defogger ON.
4. Check voltage between heated mirror relay connector and ground.

   Connector	Terminals		Voltage (V) (Approx.)
   	(+)	(-)
   E56	1	Ground	Battery voltage
   	3

   Fig 1: Checking Heated Mirror Relay Power Supply Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: GO TO 3.

   NG: Repair or replace harness.

1. Turn ignition switch OFF.
2. Check continuity between heated mirror relay connector E56 terminal 2 and ground.

   2 - Ground: Continuity should exist  .

   Fig 2: Checking Heated Mirror Relay Ground Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: GO TO 4.

   NG: Repair or replace harness.

Check continuity between heated mirror relay terminals 3 and 5.

Fig 3: Checking Heated Mirror Relay

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: GO TO 5.

NG: Replace heated mirror relay.

1. Disconnect door mirror (LH or RH).
2. Check continuity between door mirror LH or RH connector (A) and heated mirror relay connector (B).

   Connector	Terminal	Connector	Terminal	Continuity
   A		B
   D7 (LH)	1	E56	5	Yes
   D106 (RH)

   Fig 4: Checking Harness Continuity

   Courtesy of NISSAN NORTH AMERICA, INC.
3. Check continuity between door mirror LH or RH connector (A) and ground.

   A		Ground	Continuity
   Connector	Terminal
   D7 (LH)	1		No
   D106 (RH)

   OK or NG 

   OK: GO TO 6.

   NG: Repair or replace harness.

Check continuity between door mirror LH or RH connector and ground.

Fig 5: Checking Ground Circuit

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: Replace door mirror (LH or RH). Refer to , "REMOVAL AND INSTALLATION ".

NG: Repair or replace harness.