Encoder Circuit Check (Front Passenger Side)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW REGULATOR (FRONT PASSENGER SIDE) POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between power window regulator (front passenger side) connector D38 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 Connector D38 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window regulator (front passenger side) and power window sub-switch (front passenger side).
3. Check continuity between power window regulator (front passenger side) connector D38 terminal 4 and power window sub-switch (front passenger side) connector D36 terminal 15.
  1. 4 (G/R) - 15 (G/R): Continuity should exist.
Fig 2: Checking Continuity Between Connector D38 And Connector D36
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 regulator (front passenger side) and power window sub-switch (front passenger side).
CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect power window regulator (front passenger side) connector.
3. Check continuity between power window regulator (front passenger side) connector D38 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 Connector D38 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ENCODER GROUND CIRCUIT
1. Disconnect power window sub-switch (front passenger side) connector.
2. Check continuity between power window regulator (front passenger side) connector D38 terminal 6 and power window sub-switch (front passenger side) connector D36 terminal 20.
  1. 6 (W/B) - 20 (W/B): Continuity should exist.
OK or NG
1. OK : Replace power window sub switch (front passenger side).
2. NG : Repair or replace harness between power window regulator (front passenger side) and power window sub-switch.
Fig 4: Checking Continuity Between Connector D38 And Connector D36
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ENCODER SIGNAL
1. Connect power window regulator (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: Encoder Signal Reference Data Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Checking Signal Between Power Window Sub-Switch Connector And Ground
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 regulator (front passenger side) and power window sub-switch (front passenger side) connector.
3. Check continuity between power window regulator (front passenger side) connector D38 terminal 3 and power window sub-switch (front passenger side) connector D36 terminal 19.
  1. 3 (G/Y) - 19 (G/Y): Continuity should exist.
OK or NG
1. OK : Replace power window regulator (front passenger side).
2. NG : Repair or replace harness between power window regulator (front passenger side) and power window sub-switch (front passenger side).
Fig 7: Checking Continuity Between Connector D38 And Connector D36
Courtesy of NISSAN MOTOR CO., U.S.A.