Encoder Circuit Check Front LH

1. Turn ignition switch ON.
2. Check voltage between front power window motor LH connector D9 terminal 5 and ground.

   5 - Ground: Approx. 10V 

Fig 1: Checking Voltage Between Front Power Window Motor LH Connector D9 Terminal 5 And Ground

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

OK or NG 

OK: GO TO  3.

NG: GO TO 2.

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 5 and main power window and door lock/unlock switch connector D7 terminal 15.

   5 - 15: Continuity should exist. 

Fig 2: Checking Harness Continuity

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

OK or NG 

OK: Replace main power window and door lock/unlock switch. Refer to "FRONT DOOR ".

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 3 and ground.

   3 - Ground: Continuity should exist. 

Fig 3: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal 3 And Ground

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

OK or NG 

OK: GO TO  5.

NG: GO TO 4.

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

   3 - 2: Continuity should exist. 

Fig 4: Checking Encoder Ground Circuit

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

OK or NG 

OK: Replace main power window and door lock/unlock switch. Refer to "FRONT DOOR ".

NG: Repair or replace harness.

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.
   MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH CONNECTOR AND GROUND
   
   

   Connector	Terminals		Condition	Signal
   	(+)	(-)
   D7	13	Ground	Operating

   Fig 5: 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 

OK: Replace main power window and door lock/unlock switch. Refer to "FRONT DOOR ".

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 6 and main power window and door lock/unlock switch connector D7 terminal 13.

   6 - 13: Continuity should exist. 

Fig 6: Checking Continuity Between Front Power Window Motor LH and Main Power Window & Door Lock/Unlock Switch Connector

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

OK or NG 

OK: Replace front power window motor LH. Refer to "FRONT DOOR GLASS AND REGULATOR ".

NG: Repair or replace harness.