Check Encoder Circuit (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.
  4 (R) - Ground : Approx.10V
  
  Fig 1: Identifying Voltage Between Front Power Window Motor Connector D38 Terminal 4 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : GO TO 3.

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.
  4 (R) - 4 (R) : Continuity should exist.
  
  Fig 2: Identifying Continuity Between Front Power Window Switch Terminal 4 And Front Power Window Motor Terminal 4
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : Replace front power window switch (passenger side).

NG : Repair or replace harness.
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.
  6 (SB) - Ground : Continuity should exist.
  
  Fig 3: Identifying Continuity Between Front Power Window Motor Connector D38 Terminal 6 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : GO TO 5.

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.
  3 (SB) - 6 (SB) : Continuity should exist.
  
  Fig 4: Identifying Continuity Between Front Power Window Switch Terminal 3 And Front Power Window Motor Terminal 6
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : Replace front power window switch (passenger side).

NG : Repair or replace harness.

CHECK ENCODER SIGNAL

Connect front power window motor (passenger side) connector.
Turn ignition switch ON.

Check signal between front power window switch (passenger side) connector and ground with oscilloscope.

SIGNAL REFERENCE VALUE CHART

Connector	Terminals (Wire color)		Condition	Signal (Reference value)
Connector	(+)	(-)	Condition	Signal (Reference value)
D36	12 (PU)	Ground	Window DOWN

Fig 5: Identifying Signal Between Front Power Window Switch (Passenger Side) Connector Terminal 12 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Replace front power window switch (passenger side).

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.
  12 (PU) - 3 (PU) : Continuity should exist.
  
  Fig 6: Identifying Continuity Between Front Power Window Switch Terminal 12 And Front Power Window Motor Terminal 3
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : Replace front power window motor (passenger side).

NG : Repair or replace harness.