Door Key Cylinder Switch Check

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

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

Check front door key cylinder switch ("KEY CYL LK-SW"/"KEY CYL UN-SW") in "DATA MONITOR" mode with CONSULT-II.

Fig 1: Identifying Door Key Cylinder Switch
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between smart entrance control unit harness connector terminal 30 or 41 and ground.

Fig 2: Identifying Smart Entrance Control Unit Harness Connector Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to "SMART ENTRANCE CONTROL UNIT TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND ".

OK or NG
1. OK: Door key cylinder switch is OK.
2. NG: GO TO 2.
CHECK DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch connector.
2. Check continuity between door key cylinder switch connector D8 terminals.
  
  Fig 3: Identifying Door Key Cylinder Switch Connector Terminals
  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 smart entrance control unit and door key cylinder switch
2. NG: Replace door key cylinder switch.