Power Window Sub-switch Power Supply and Ground Check

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between power window sub-switch connector D37 terminal 10 and ground.
  - 10 (W) - Ground: Battery voltage
OK or NG
- OK: GO TO 2.
- NG: GO TO 3.
Fig 1: Power Window Sub-Switch Connector D37 Terminal 10 & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window sub-switch connector.
3. Check continuity between power window sub-switch connector D37 terminal 11 and ground.
  - 11 (B) - Ground: Continuity should exist.
OK or NG
- OK: Power window sub-switch power supply and ground circuit are OK.
- NG: Repair or replace harness.
Fig 2: Power Window Sub-Switch Connector D37 Terminal 11 & Ground Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK POWER WINDOW SUB-SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and power window sub-switch connector.
3. Check continuity between BCM connector M91 terminal 54 and power window sub-switch connector D37 terminal 10.
  - 54 (W) - 10 (W): Continuity should exist.
4. Check continuity between BCM connector M91 terminal 54 and ground.
  - 54 (W) - Ground: Continuity should not exist.
OK or NG
- OK: Check the condition of the harness and the connector.
- NG: Repair or replace harness.
Fig 3: Check Continuity Between BCM Connector M91 Terminal 54 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.