Power Window Main Switch Power Supply Circuit Check/With Front Left and Right Power Window Anti-pinch System

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT

Check voltage between power window main switch connector D7 terminal 4 (W), 11 (Y/B) and ground.

POWER WINDOW MAIN SWITCH CONNECTOR D7 TERMINALS AND GROUND VOLTAGE SPECIFICATIONS

Connector	Terminal (Wire color)		Condition of ignition switch	Voltage [V] (Approx.)
Connector	(+)	(-)	Condition of ignition switch	Voltage [V] (Approx.)
D7	4 (W)	Ground	OFF	Battery voltage
D7	11 (Y/B)	Ground	ON	Battery voltage

Fig 1: Checking Voltage Between Power Window Main Switch Connector D7 Terminals 4, 11 & Ground

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

OK or NG

OK: GO TO 2.
NG: GO TO 3 .

CHECK GROUND CIRCUIT
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.
  5 (B) - Ground: Continuity should exist.
  
  Fig 2: Checking Continuity Between Power Window Main Switch Connector D7 Terminal 5 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Power window main switch power supply and ground circuits are OK.
2. NG: Repair or replace harness.
CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector M2 terminal 53, 54 and power window main switch connector D7 terminal 4, 11.
  53 (Y/B) - 11 (Y/B): Continuity should exist.
  
  54 (W) - 4 (W): Continuity should exist.
3. Check continuity between BCM connector M2 terminal 53, 54 and ground.
  
  Fig 3: Checking Power Window Main Switch Power Supply Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  53 (Y/B) - Ground: Battery voltage
  
  54 (W) - Ground: Battery voltage
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness between BCM and power window main switch.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M2 terminal 53, 54 and ground.
  53 (Y/B) - Ground: Continuity should not exist.
  
  54 (W) - Ground: Continuity should not exist.
  
  Fig 4: Checking Voltage Between BCM Connector M2 Terminals 53, 54 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check the condition of the harness and the connector.
2. NG: Replace BCM.