Power Window Serial Link Check
WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK POWER WINDOW SWITCH OUTPUT SIGNAL
With CONSULT-II
Check door lock and unlock switch ("LOCK SW DR/AS", "UNLK SW DR/AS") in DATA MONITOR mode with CONSULT-II. Refer to DATA MONITOR .
MONITOR ITEM CONDITION CHARTMonitor item Condition LOCK SW DR / AS LOCK :ON UNLOCK :OFF UNLK SW DR / AS LOCK :ON UNLOCK :OFF Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II
- Remove key from ignition switch, and the door of driver side and passenger side is closed.
- Check the signal between BCM connector and ground with oscilloscope when door lock and unlock switch (driver side and passenger side) is turned "LOCK" or "UNLOCK".
- Make sure signals which are shown in the figure below can be detected during 10 seconds just after door lock and unlock switch (driver side and passenger side) is turned "LOCK" or "UNLOCK".
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 and passenger side lowered.
OK or NG
- OK : Further inspection is necessary. Refer to TROUBLE DIAGNOSIS SYMPTOM CHART .
- NG : Replace BCM.
- CHECK POWER WINDOW SWITCH GROUND
- Turn ignition switch OFF.
- Disconnect power window main switch and front power window switch (passenger side) connector.
- Check continuity between power window main switch connector D7 terminal 17 and ground.
- 17 (B) - Ground : Continuity should exist.
- Check continuity between front power window switch (passenger side) connector D35 terminal 11 and ground.
- 11 (B) - Ground : Continuity should exist.
OK or NG
- OK : GO TO 4.
- NG : Repair or replace harness.
- CHECK POWER WINDOW SERIAL LINK CIRCUIT
- Disconnect BCM connector.
- Check continuity between BCM connector M37 terminal 74 and power window main switch connector D6 terminal 14.
- 74 (BR/W) - 14 (BR/W) : Continuity should exist.
- Check continuity between BCM connector M37 terminal 74 and front power window switch (passenger side) connector D35 terminal 16.
- 74 (BR/W) - 16 (BR/W) : Continuity should exist.
OK or NG
- OK : Replace power window main switch.
- NG : Repair or replace harness.