Front Power Window Regulator Circuit Check (Driver Side)

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check Driver Door Control Unit Output Signal
1. Turn ignition switch OFF.
2. Disconnect front power window regulator (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between front power window regulator (driver side) connector and ground.
  
  Fig 1: Terminals Connector Voltage Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Driver Door Control Unit Output Signal
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace front power window regulator (driver side).
2. NG: Go to 2.
Check Driver Door Control Unit Circuit
1. Turn ignition switch OFF.
2. Disconnect driver door control unit (LCU01) connector.
3. Check continuity between front power window regulator (driver side) connector D7 terminals 1, 2 and driver door control unit (LCU01) connector D8 terminals 11, 18.
  1. 18 (L/R) - 1 (L/R): Continuity should exist.
  2. 11 (L/W) - 2 (L/W): Continuity should exist.
4. Check continuity between driver door control unit (LCU01) connector D8 terminals 11, 18 and ground.
  
  Fig 3: Checking Driver Door Control Unit Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 11 (L/W) - Ground: Continuity should exist.
  2. 18 (L/R) - Ground: Continuity should exist.
OK or NG
1. OK: Replace driver door control unit (LCU01).
2. NG: Repair or replace harness between driver door control unit (LCU01) and front power window regulator (driver side).