Encoder Circuit Check (Front Passenger Side)

CHECK POWER WINDOW MOTOR (FRONT PASSENGER SIDE) POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between power window motor (front passenger side) connector D38 terminal 4 and ground.
  4 (G/R) - Ground: Approx. 10V
  
  Fig 1: Checking Voltage Between Power Window Motor (Front Passenger Side) Connector D38 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 passenger side) and power window sub-switch (front passenger side).
3. Check continuity between power window motor (front passenger side) connector D38 terminal 4 and power window sub-switch (front passenger side) connector D36 terminal 15.
  4 (G/R) - 15 (G/R): Continuity should exist.
4. Check continuity between power window motor (front passenger side) connector D38 terminal 4 and ground.
  4 (G/R) - Ground: Continuity should not exist.
  
  Fig 2: Checking Harness Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window sub-switch (front passenger side).
2. NG: Repair or replace harness between power window motor (front passenger side) and power window sub-switch (front passenger side).
CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect power window motor (front passenger side) connector.
3. Check continuity between power window motor (front passenger side) connector D38 terminal 6 and ground.
  6 (W/B) - Ground: Continuity should exist.
  
  Fig 3: Checking Continuity Between Power Window Motor (Front Passenger Side) Connector D38 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 sub-switch (front passenger side) connector.
2. Check continuity between power window motor (front passenger side) connector D38 terminal 6 and power window sub-switch (front passenger side) connector D36 terminal 20.
  6 (W/B) - 20 (W/B): Continuity should exist.
  
  Fig 4: Checking Continuity Between Power Window Motor (Front Passenger Side) Connector D38 Terminal 6 & Power Window Sub-Switch Connector D36 Terminal 20
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window sub switch (front passenger side).
2. NG: Repair or replace harness between power window motor (front passenger side) and power window sub- switch.
CHECK ENCODER SIGNAL
1. Connect power window motor (front passenger side) connector.
2. Turn ignition switch ON.
3. Check the signal between power window sub-switch (front passenger side) connector and ground with oscilloscope.
  
  Fig 5: Power Window Sub-Switch (Front Passenger Side) Connector & Ground Signal Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Signal Between Power Window Sub-Switch (Front Passenger Side) Connector & Ground With Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power sub-switch (front passenger side).
2. NG: GO TO 6.
CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window motor (front passenger side) and power window sub-switch (front passenger side) connector.
3. Check continuity between power window motor (front passenger side) connector D38 terminal 3 and power window sub-switch (front passenger side) connector D36 terminal 19.
  3 (G/Y) - 19 (G/Y): Continuity should exist.
  
  Fig 7: Checking Continuity Between Power Window Motor (Front Passenger Side) Connector D38 Terminal 3 & Power Window Sub-Switch Connector D36 Terminal 19
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace power window motor (front passenger side).
2. NG: Repair or replace harness between power window motor (front passenger side) and power window sub-switch (front passenger side).