Encoder and Limit Switch Check (Driver side)

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR WINDOW SLIDE MECHANISM
Check the following.
- Obstacles in window, glass molding, etc.
- Worn or deformed glass molding.
- Door sash tilted too far inward or outward.
- Door window regulator.
OK or NG
1. OK: GO TO 2.
2. NG: Remove obstacles or repair door window slide mechanism.
CHECK LIMIT SWITCH OPERATION
Check voltage between main power window and door lock/unlock switch connector D7 terminal 9 (G/OR) and ground.

Fig 1: Checking Limit Switch Operation (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Limit Switch Operation (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 3.
2. NG: Check harness between main power window and door lock/unlock switch and front power window motor LH.
  - OK: Replace front power window motor LH.
  - NG: Replace or repair harness between main power window and door lock/unlock switch and front power window motor LH.
CHECK ENCODER
Measure voltage between main power window and door lock/unlock switch connector D7 terminal 16 (12) G/Y and ground with oscilloscope when power window is in automatic closing operation.

Fig 3: Checking Encoder (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Encoder (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

(): with left and right front power window anti-pinch system

OK or NG
1. OK: Replace main power window and door lock/unlock switch.
2. NG: Replace front power window motor LH.