Check Front Power Window Motor (Driver Side) Circuit

1. Turn ignition switch ON.
2. Check voltage between front power window motor (driver side) connector and ground.
   DRIVER DOOR CONTROL UNIT OUTPUT SIGNAL
   
   

   Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
   	(+)	(-)
   D7	1 (L/W)	Ground	Up	0
   			Down	Battery voltage
   	2 (L/R)		Up	Battery voltage
   			Down	0

   Fig 1: Checking Voltage Between Front Power Window Motor (Driver Side) Connector And Ground

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

OK or NG 

• OK: Replace front power window motor (driver side).
• NG: GO TO 2

1. Turn ignition switch OFF.
2. Disconnect front power window motor (driver side) connector and driver door control unit (LCU01) connector.
3. Check continuity between front power window motor (driver side) connector D7 terminals 1, 2 and driver door control unit (LCU01) connector D8 terminals 11, 18.

   1 (L/W) - 11 (L/W): Continuity should exist. 

   2 (L/R) - 18 (L/R): Continuity should exist. 

   Fig 2: Checking Continuity Between Front Power Window Motor And Driver Power Window Motor Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between front power window motor (driver side) connector D7 terminals 1, 2 and ground.

   1 (L/W) - Ground: Continuity should not exist. 

   2 (L/R) - Ground: Continuity should not exist. 

OK or NG 

• OK: Replace driver door control unit (LCU01).
• NG: Repair or replace harness.