Encoder Circuit Check (Driver Side)/With Front And Rear Power Window Anti-Pinch

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.
  1. 4 (G/R) - Ground: Approx.10V
OK or NG
1. OK : GO TO 3 .
2. NG : GO TO 2.
Fig 1: Checking Voltage Between Power Window Motor (Front Driver Side) Connector D9 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
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 D6 terminal 3.
  1. 4 (G/R) - 3 (G/R): Continuity should exist.
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.
Fig 2: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 4 And Power Window Main Switch Connector D6 Terminal 3
Courtesy of NISSAN MOTOR CO., U.S.A.
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 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 Power Window Motor (Front Driver Side) Connector D9 Terminal 6 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
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 D6 terminal 8.
  1. 6 (W/B) - 8 (W/B): Continuity should exist.
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.
Fig 4: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 6 And Power Window Main Switch Connector D6 Terminal 8
Courtesy of NISSAN MOTOR CO., U.S.A.
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: Signal Checking Table - Between Power Window Main Switch Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Replace power window main switch.
2. NG : GO TO 6.
Fig 6: Checking Signal Between Power Window Main Switch Connector And Ground With Oscilloscope
Courtesy of NISSAN MOTOR CO., U.S.A.
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 D6 terminal 4.
  1. 3 (G/Y) - 4 (G/Y): Continuity should exist.
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.
Fig 7: Checking Continuity Between Power Window Motor (Front Driver Side) Connector D9 Terminal 3 And Power Window Main Switch Connector D6 Terminal 4
Courtesy of NISSAN MOTOR CO., U.S.A.