Power Window Down Request Signal Circuit 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 WINDOW DOWN REQUEST SIGNAL INPUT
1. Turn ignition switch ON.
2. Check voltage between passenger seat control unit connector and ground.
Fig 1: Passenger Seat Control Unit Connector & Ground Specifications Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Passenger Seat Control Unit Connector & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.

*: Turn ignition switch ON and depress brake pedal when soft top switch operates.

OK or NG
- OK : Power window down request signal circuit is OK.
- NG : GO TO 2.
CHECK POWER WINDOW DOWN REQUEST SIGNAL CIRCUIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect soft top control unit and passenger seat control unit connector.
3. Check continuity between passenger seat control unit connector B353 terminal 16 and soft top control unit connector B67 terminal 36.
  - 16 (PU/W) - 36 (Y/G) : Continuity should exist.
4. Check continuity between passenger seat control unit connector B353 terminal 16 and ground.
  - 16 (PU/W) - Ground : Continuity should not exist.
Fig 3: Passenger Seat Control Unit Connector B353 Terminal 16 & Ground Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : Power window down request signal circuit is OK. Further inspection is necessary. Refer to "POWER WINDOW DOWN REQUEST SIGNAL CHECK ".
- NG : Repair or replace harness between passenger seat control unit and soft top control unit.