Power Window Main Switch Power Supply Circuit Check/With Front Left And Right Power Window Anti-Pinch System

1. Turn ignition switch ON.
2. Check voltage between power window main switch connector D7 terminal 4, 11 and ground.
   1. 4 (W) - Ground: Battery voltage 
   2. 11 (W) - Ground: Battery voltage 

OK or NG 

1. OK : Power window main switch power supply and ground circuit is OK.
2. NG : GO TO 2.

Fig 1: Checking Voltage Between Power Window Main Switch And Ground

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

1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main switch connector D7 terminal 5 and ground.
   1. 5 (B) - Ground: Continuity should exist. 

OK or NG 

1. GO TO 3.
2. NG : Repair or replace harness.

Fig 2: Checking Continuity Between Power Window Main Switch And Ground

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

1. Disconnect BCM connector.
2. Check continuity between BCM connector M1 terminal 28, 29 and power window main switch connector D7 terminal 4, 11.
   1. 28 (W) - 4 (W): Continuity should exist. 
   2. 29 (Y/B) - 11 (Y/B): Continuity should exist. 
3. Check continuity between BCM connector M1 terminal 28, 29 and ground.
   1. 28 (W) - Ground: Continuity should not exist. 
   2. 29 (Y/B) - Ground: Continuity should not exist. 

OK or NG 

1. OK : GO TO 4
2. NG : Repair or replace harness between BCM and power window main switch.

Fig 3: Checking Continuity Between BCM And Power Window Main Switch

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

• Connect BCM connector.
• Turn ignition switch ON.
• Check voltage between BCM connector M1 terminal 28, 29 and ground.
  1. 28 (W) - Ground: Battery voltage 
  2. 29 (Y/B) - Ground: Battery voltage 

OK or NG 

1. OK : Check the condition of the harness and the connector.
2. NG : Replace BCM

Fig 4: Checking Voltage Between BCM And Ground

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