Encoder Circuit Check (Driver Side)/With Front Left and Right Power Window Anti-pinch

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW MOTOR (FRONT DRIVER SIDE) POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between power window motor (front driver side) connector D9 terminal 4 and ground.
  4 (G/R) - Ground: Approx. 10V
  
  Fig 1: Checking Voltage Between Power Window Motor (Front Driver Side) Connector D9 Terminal 4 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3 .
2. NG: GO TO 2.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window motor (front driver side) and power window main switch.
3. Check continuity between power window motor (front driver side) connector D9 terminal 4 and power window main switch connector D7 terminal 7.
  4 (G/R) - 7 (G/R): Continuity should exist.
  
  Fig 2: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 4 & Power Window Main Switch Connector D7 Terminal 7
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window main switch.
2. NG: Repair or replace harness between power window motor (front driver side) connector and power window main switch connector.
CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect power window motor (front driver side) connector.
3. Check continuity between power window motor (front driver side) connector D9 terminal 6 and round.
  6 (W/B) - Ground: Continuity should exist.
  
  Fig 3: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 6 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 5 .
2. NG: GO TO 4.
CHECK ENCODER GROUND CIRCUIT
1. Disconnect power window main switch connector.
2. Check continuity between power window motor (front driver side) connector D9 terminal 6 and power window main switch connector D8 terminal 17.
  6 (W/B) - 17 (W/B): Continuity should exist.
  
  Fig 4: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 6 & Power Window Main Switch Connector D8 Terminal 17
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window main switch.
2. NG: Repair or replace harness between power window motor (front driver side) and power window main switch.
CHECK ENCODER SIGNAL
1. Connect power window motor (front driver side) connector.
2. Turn ignition switch ON.
3. Check the signal between power window main switch connector and ground with oscilloscope.
  
  Fig 5: Power Window Main Switch Connector & Ground Signal Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Signal Between Power Window Main Switch Connector & Ground With Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window main switch.
2. NG: GO TO 6.
CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window motor (front driver side) and power window main switch connector.
3. Check continuity between power window motor (front driver side) connector D9 terminal 3 and power window main switch connector D7 terminal 14.
  3 (G/Y) - 14 (G/Y): Continuity should exist.
  
  Fig 7: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 3 & Power Window Main Switch Connector D7 Terminal 14
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window motor (front driver side)
2. NG: Repair or replace harness between power window motor (front driver side) and power window main switch.