Key Switch (Insert) Check

WARNING: This page is about a different car, the 2005 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT-II. Refer to DATA MONITOR .
- When key is inserted to ignition key cylinder:
  - KEY ON SW: ON
- When key is removed from ignition key cylinder:
  - KEY ON SW: OFF
  Fig 1: CONSULT-II Display - KEY ON SW
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between BCM connector M18 terminal 37 and ground.

Fig 2: BCM Connector M18 Terminal 37 Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between BCM Connector M18 Terminal 62 (B/R) & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: System is OK.
- NG: GO TO 2.
CHECK KEY SWITCH (INSERT)
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid.
3. Check continuity between key switch and key lock solenoid terminals 3, 4.
  
  Fig 4: Key Lock Solenoid Connector Terminals Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Repair or replace harness.
- NG: Replace key switch.
Fig 5: Checking Continuity Between Key Switch Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.