Door Mirror LH Defogger Circuit Check

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR MIRROR DEFOGGER 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 CONDITION CHART

Connector	Terminals		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
D13	6	Ground	Rear window defogger switch ON	Battery voltage
D13	6	Ground	Rear window defogger switch OFF	0

Fig 1: Checking Voltage Between Door Mirror Connector Terminal 6 And Ground

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

OK or NG

OK: GO TO 2.

NG: Repair or replace harness.

CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector D13 terminal 5 and ground.
  5 - Ground : Continuity should exist.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

Fig 2: Checking Continuity Between Door Mirror Connector Terminal 5 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR MIRROR DEFOGGER
Check continuity between door mirror LH terminals 5 and 6.

6 - 5 : Continuity should exist.

OK or NG

OK: Repair or replace harness.

NG: Replace door mirror LH. Refer to "DOOR MIRROR ASSEMBLY ".

Fig 3: Checking Continuity Between Door Mirror LH Terminals 5 And 6
Courtesy of NISSAN MOTOR CO., U.S.A.