Power Window Serial Link Check Front LH and RH (Without Rear Power Vent Windows)

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW SERIAL LINK OUTPUT SIGNAL
With CONSULT-II

Check door lock and unlock switch ("LOCK SW DR/AS", "UNLK SW DR/AS") in DATA MONITOR mode for "REMOTE KEYLESS ENTRY SYSTEM" with CONSULT-II. Refer to "DATA MONITOR ".

Fig 1: CONSULT-II Screen Display - DATA MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.
- When door lock and unlock switch is turned to LOCK
  - LOCK SW DR/AS: ON
- When door lock and unlock switch is turned to UNLOCK
  - UNLK SW DR/AS: ON
Without CONSULT-II
1. Remove key from ignition switch, and the door of driver side and passenger side is closed.
2. Check the signal between BCM connector and ground with oscilloscope when door lock and unlock switch (front LH and front RH) is turned "LOCK" or "UNLOCK".
3. Make sure signals which are shown in the figure below can be detected during 10 seconds just after door lock and unlock switch (front LH and front RH) is turned "LOCK" or "UNLOCK".
  
  Fig 2: Checking Signal Between BCM Connector Terminal 22 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Signal Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 2.
- NG: GO TO 3.
CHECK BCM OUTPUT SIGNAL
Check power window serial link ("POWER WINDOW DOWN") in "ACTIVE TEST" mode with CONSULT-II.

Refer to "ACTIVE TEST ".

When "ACTIVE TEST" is executed, is the window of driver side and passenger side lowered?

OK or NG
- OK: Further inspection is necessary. Refer to SYMPTOM CHART .
- NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
  
  Fig 4: CONSULT-II Screen Display - ACTIVE TEST
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK POWER WINDOW SWITCH GROUND
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and power window and door lock/unlock switch RH.
3. Check continuity between main power window and door lock/unlock switch connector D7 terminal 15 and ground.
  - 15(B) - Ground: Continuity should exist.
  Fig 5: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector D7 Terminal 15 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground.
  
  Fig 6: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 11 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - 11(B) - Ground: Continuity should exist.
OK or NG
- OK: GO TO 4.
- NG: Repair or replace harness.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and main power window and door lock/unlock switch connector D7 terminal 12.
  
  Fig 7: Checking Continuity Between BCM Connector M18 Terminal 22 And Connector D7 Terminal 12
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - 22(Y/B) - 12 (Y): Continuity should exist.
3. Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock switch RH connector D105 terminal 16.
  - 22(Y/B) - 16 (Y/B): Continuity should exist.
OK or NG
- OK: Replace main power window and door lock/unlock switch or power window and door lock/unlock switch RH. Refer to "FRONT DOOR ".
- NG: Repair or replace harness.
  
  Fig 8: Checking Continuity Between BCM Connector M18 Terminal 22 And Connector D105 Terminal 16
  Courtesy of NISSAN MOTOR CO., U.S.A.