Encoder Circuit Inspection Rear LH or RH (With Front and Rear Power Window Anti-pinch System)

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REAR POWER WINDOW MOTOR LH OR RH POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 4 and ground.
  4 - Ground: Approx. 10V
Fig 1: Checking Voltage Between Rear Power Window Motor Connector 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. Turn ignition switch OFF.
2. Disconnect rear power window motor LH or RH and rear power window switch LH or RH.
3. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 4 and rear power window switch LH or RH connector D203 (LH) or D303 (RH) terminal 4.
  4 - 4: Continuity should exist.
Fig 2: Checking Continuity Between Rear Power Window Motor And Rear Power Window Switch Connectors
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace rear power window switch LH or RH. Refer to "REAR DOOR ".

NG: Repair or replace harness.
CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH or RH.
3. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and ground.
  6 - Ground: Continuity should exist.
Fig 3: Checking Continuity Between Rear Power Window Motor Connector Terminal 6 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 5.

NG: GO TO 4.
CHECK ENCODER GROUND CIRCUIT
Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and rear power window switch LH or RH connector D203 (LH), D303 (RH) terminal 3.

6 - 3: Continuity should exist.

Fig 4: Checking Continuity Between Rear Window Motor And Rear Power Window Switch Connector
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace rear power window switch LH or RH. Refer to "REAR DOOR ".

NG: Repair or replace harness.

CHECK ENCODER SIGNAL

Connect rear power window motor LH or RH.
Turn ignition switch ON.

Check the signal between rear power window switch LH or RH connector D203 (LH) or D303 (RH) terminal 12 and ground with oscilloscope.

REAR POWER WINDOW SWITCH LH OR RH CONNECTOR D203 (LH) OR D303 (RH) TERMINAL 12 AND GROUND

Connector	Terminals		Condition	Signal
Connector	(+)	(-)	Condition	Signal
D203 (LH) D303 (RH)	12	Ground	Operating	Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Signal Between Rear Power Window Switch Connector Terminal 12 And Ground

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

OK or NG

OK: GO TO 6.

NG: Replace rear power window switch LH or RH. Refer to "REAR DOOR ".

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH and rear power window motor LH or RH.
3. Check continuity between rear power window switch LH or RH connector D203 (LH) or D303 (RH) terminal 12 and rear power window motor LH or RH connector D204 (LH), D304 (RH) terminal 5.
  12 - 5: Continuity should exist.
Fig 6: Checking Continuity Between Rear Power Window Switch And Rear Power Window Motor Connectors
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace rear power window motor LH or RH. Refer to "REAR DOOR GLASS AND REGULATOR ".

NG: Repair or replace harness.