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

  1. 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
    G02391358Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      1. 4 (G/R) - 7 (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 D7 Terminal 7
    G02391359Courtesy of NISSAN MOTOR CO., U.S.A.
  3. 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.
      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 Round
    G02391360Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      1. 6 (W/B) - 17 (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 D8 Terminal 17
    G02391361Courtesy of NISSAN MOTOR CO., U.S.A.
  5. 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
      G02391362Courtesy 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
    G02391363Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      1. 3 (G/Y) - 14 (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 D7 Terminal 14
    G02391364Courtesy of NISSAN MOTOR CO., U.S.A.