Encoder Circuit Check Front LH

1. Turn ignition switch ON.
2. Check voltage between front power window motor LH connector D9 terminal 4 and ground.

1. 4 (BR) - Ground: Approx. 10V 

OK or NG

1. OK: GO TO  3 .
2. NG: GO TO 2.

Fig 1: Checking Voltage Between Front Power Window Motor And Ground

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

1. Turn ignition switch OFF.
2. Disconnect front power window motor LH and main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connector D9 terminal 4 and main power window and door lock/unlock switch connector D7 terminal 15.

1. 4 (BR) -15 (BR): Continuity should exist. 

Fig 2: Checking Continuity Between Front Power Window Motor And Main Power Window And Door Lock/Unlock Switch

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

OK or NG

1. OK: Replace main power window and door lock/unlock switch.
2. NG: Repair or replace harness.

1. Turn ignition switch OFF.
2. Disconnect front power window motor LH.
3. Check continuity between front power window motor LH connector D9 terminal 6 and ground.

1. 6 (W/B) - Ground: Continuity should exist. 

OK or NG

1. OK: GO TO  5 .
2. NG: GO TO 4.

Fig 3: Checking Continuity Between Front Power Window Motor And Ground

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

1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between front power window motor LH connector D9 terminal 6 and main power window and door lock/unlock switch connector D7 terminal 2

1. 6 (W/B) - 2 (W/B): Continuity should exist. 

OK or NG

1. OK: Replace main power window and door lock/unlock switch.
2. NG: Repair or replace harness.

Fig 4: Checking Continuity Between Front Power Window Motor And Main Power Window And Door Lock/Unlock Switch

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

1. Connect front power window motor LH.
2. Turn ignition switch ON.
3. Check the signal between main power window and door lock/unlock switch connector and ground with oscilloscope.

Fig 5: Connector Specifications

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

Fig 6: Checking Signal Between Main Power Window And Door Lock/Unlock Switch Connector And Ground

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

OK or NG

1. OK: Replace main power window and door lock/unlock switch.
2. NG: GO TO 6.

1. Turn ignition switch OFF.
2. Disconnect front power window motor LH and main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connector D9 terminal 3 and main power window and door lock/unlock switch connector D7 terminal 13.
   1. 3 (G/Y) - 13 (G/Y): Continuity should exist. 

OK or NG

1. OK: Replace front power window motor LH.
2. NG: Repair or replace harness.

Fig 7: Checking Continuity Between Front Power Window Motor And Main Power Window And Door Lock/Unlock Switch

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