Encoder Circuit Check Front RH

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FRONT POWER WINDOW MOTOR RH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front power window motor RH connector D104 terminal 6 and ground.
1. 6 (G/R) - 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 RH Connector D104 Terminal 6 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and front power window and door lock/unlock switch RH.
3. Check continuity between front power window motor RH connector D104 terminal 6 and front power window and door lock/unlock switch RH connector D105 terminal 4.
1. 6 (G/R) - 4 (G/R): Continuity should exist.
OK or NG
1. OK: Replace front power window and door lock/unlock switch RH.
2. NG: Repair or replace harness.
Fig 2: Checking Continuity Between Front Power Window Motor RH Connector Terminal And Front Power Window And Door Lock/Unlock Switch RH Connector Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH.
3. Check continuity between front power window motor RH connector D104 terminal 4 and ground.
1. 4 (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 RH Connector D104 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ENCODER GROUND CIRCUIT
1. Disconnect front power window and door lock/unlock switch RH.
2. Check continuity between front power window motor RH connector D104 terminal 4 and front power window and door lock/unlock switch RH connector D105 terminal 3.
1. 4 (W/B) - 3 (W/B): Continuity should exist.
OK or NG
1. OK: Replace front power window and door lock/unlock switch RH.
2. NG: Repair or replace harness.
Fig 4: Checking Continuity Between Front Power Window Motor RH Connector Terminal And Front Power Window And Door Lock/Unlock Switch RH Connector Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ENCODER SIGNAL
1. Connect front power window motor RH.
2. Turn ignition switch ON.
3. Check the signal between front power window and door lock/unlock switch RH connector and ground with oscilloscope.
Fig 5: Identifying Front Power Window And Door Lock/Unlock Switch RH Connector Signal Waveform Graph
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Checking Signal Between Front Power Window And Door Lock/Unlock Switch RH Connector And Ground With Oscilloscope
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Replace front power window and door lock/unlock switch RH.
2. NG: GO TO 6.
CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and front power window and door lock/unlock switch RH.
3. Check continuity between front power window motor RH connector D104 terminal 5 and front power window and door lock/unlock switch RH connector D105 terminal 12.
1. 5 (G/Y) -12 (G/Y): Continuity should exist.
OK or NG
1. OK: Replace front power window motor RH.
2. NG: Repair or replace harness.
Fig 7: Checking Continuity Between Front Power Window Motor RH Connector Terminal And Front Power Window And Door Lock/Unlock Switch RH Connector Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.