Check Door Key Cylinder Switch (Unlock)

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK)
With CONSULT-II
- Check door key cylinder switch (KEY CYL UN-SW) in DATA MONITOR mode with CONSULT-II.
  Door key cylinder switch is turned to UNLOCK.
  
  KEY CYL UN-SW: ON
  
  Fig 1: CONSULT-II DATA MONITOR Display Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between main power window (door lock and unlock switch) connector D6 terminal 6 and ground.

Fig 2: Terminal Voltage Based On Position
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Door key cylinder switch (unlock) circuit is OK.
2. NG: GO TO 2.
  
  Fig 3: Checking Voltage Between Main Power Window And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK FRONT DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch connector.
2. Check continuity between door key cylinder switch terminals 5 and 6.
  
  Fig 4: Terminal Continuity Based On Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check the following.
  - Door key cylinder switch ground circuit
  - Harness for open or short between power window main switch (door lock and unlock switch) and door key cylinder switch
    
    Fig 5: Checking Continuity Between Door Key Cylinder Switch (Unlock) Terminals
    Courtesy of NISSAN MOTOR CO., U.S.A.
2. NG: Replace front door lock assembly (driver side) (door key cylinder switch).