Check Front Door Key Cylinder Switch (Lock)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
With CONSULT-II

Check front door key cylinder switch LH ("KEY CYL LK SW") in "DATA MONITOR" mode with CONSULT-II.
1. "KEY CYL LK-SW" should be "ON" when key inserted in door key cylinder was turned to lock.
  
  Fig 1: Checking Front Door Key Cylinder Switch Using CONSULT-II
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between power window main switch (door lock and unlock switch) connector D6 or D7 terminal 6 (R/W) and ground.

Fig 2: Power Window Main Switch (Door Lock And Unlock Switch) Connector D6 Or D7 Terminal 6 (R/W) And Ground Continuity Check Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between Power Window Main Switch (Door Lock And Unlock Switch) Connector D6 Or D7 Terminal 6 (R/W) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Front door key cylinder switch circuit driver side (lock) is OK.
2. NG : GO TO 2.
CHECK FRONT DOOR KEY CYLINDER SWITCH
1. Disconnect front door key cylinder switch driver side connector.
2. Check continuity between front door key cylinder switch driver side terminals 1 and 2.
  
  Fig 4: Front Door Key Cylinder Switch Driver Side Terminals 1 And 2 Continuity Specification Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Continuity Between Front Door Key Cylinder Switch Driver Side Terminals 1 And 2
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
  1. OK : Check the following.
    - Front door key cylinder switch driver side ground circuit.
    - Harness for open or short between power window main switch (door lock and unlock switch) and front door key cylinder switch driver side.
  2. NG : Replace front door key cylinder switch driver side.