Encoder Circuit Check (Passenger Side)

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.
  
  Fig 1: Checking Voltage At Passenger Side Front Power Window Motor Connector Terminal 4
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  4 (R) - Ground: Approx. 10 V
OK or NG
1. OK: Go to 3 .
2. NG: Go to 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.
  
  Fig 2: Checking Continuity Passenger Side Front Power Window Switch Connector D36 Terminal 4 To Passenger Side Front Power Window Motor Connector D38 Terminal 4
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  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 between front power window switch (passenger side) and front power window motor (passenger side).
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.
  
  Fig 3: Checking Continuity Passenger Side Front Power Window Motor Connector D38 Terminal 6 To Body Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  6 (SB) - Ground: Continuity should exist .
OK or NG
1. OK: Go to 5 .
2. NG: Go to 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.
  
  Fig 4: Checking Continuity Front Power Window Switch Connector D36 Terminal 3 To Motor Connector D38 Terminal 6
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  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 between front power window switch (passenger side) and front power window motor (passenger side).
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: Identifying Passenger's Side Front Power Window Switch Signal
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Passenger's Side Front Power Window Switch Signal With Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace front power window switch (passenger side).
2. NG: Go to 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.
  
  Fig 7: Checking Continuity Passenger's Side Front Power Window Switch Connector D36 Terminal 12 To Motor Connector D38 Terminal 3
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  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 between front power window switch (passenger side) and front power window motor (passenger side).