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Encoder Circuit Check (Passenger Side)

  1. CHECK FRONT POWER WINDOW MOTOR (PASSENGER SIDE) POWER SUPPLY 
    1. Turn ignition switch ON.
    2. Check voltage between front power window motor (passenger side) connector D38 terminal 4 and ground.
      1. 4 (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 (Passenger Side) Connector D38 Terminal 4 And Ground
    G02364016Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS CONTINUITY 1 
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) and front power window motor (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) connector D36 terminal 4 and front power window motor (passenger side) connector D38 terminal 4.
      1. 4 (R) - 4 (R): Continuity should exist. 

    OK or NG 

    1. OK: Replace front power window switch (passenger side).
    2. NG: Repair or replace harness.
    Fig 2: Checking Harness Continuity
    G02364017Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor (passenger side) connector.
    3. Check continuity between front power window motor (passenger side) connector D38 terminal 6 and ground.
      1. 6 (SB) - Ground: Continuity should exist. 

    OK or NG 

    1. OK: GO TO  5 .
    2. NG: GO TO 4.
    Fig 3: Check continuity between front power window motor (passenger side) connector D38 terminal 6 and ground
    G02364018Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK HARNESS CONTINUITY 2 
    1. Disconnect front power window switch (passenger side) connector.
    2. Check continuity between front power window switch (passenger side) connector D36 terminal 3 and front power window motor (passenger side) connector D38 terminal 6.
      1. 3 (SB) - 6 (SB): Continuity should exist. 

    OK or NG 

    1. OK: Replace front power window switch (passenger side).
    2. NG: Repair or replace harness.
    Fig 4: Checking Continuity Between Front Power Window Motor (Passenger Side) Connector D38 Terminal 6 And Ground
    G02364019Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK ENCODER SIGNAL 
    1. Connect front power window motor (passenger side) connector.
    2. Turn ignition switch ON.
    3. Check signal between front power window switch (passenger side) connector and ground with oscilloscope.
      Fig 5: Connector Terminal Wire Color Specification
      G02364020Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Signal Between Front Power Window Switch (Passenger Side) Connector And Ground With Oscilloscope
      G02364021Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace front power window switch (passenger side).
    2. NG: GO TO 6.
  6. CHECK HARNESS CONTINUITY 3 
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) and front power window motor (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) connector D36 terminal 12 and front power window motor (passenger side) connector D38 terminal 3.
      1. 12 (PU) - 3 (PU): Continuity should exist. 

    OK or NG 

    1. OK: Replace front power window motor (passenger side).
    2. NG: Repair or replace harness.
    Fig 7: Checking Harness Continuity 3
    G02364022Courtesy of NISSAN MOTOR CO., U.S.A.
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