Key Switch (Insert) Check

WARNING: This page is about a different car, the 2004 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
  
  Fig 1: Displaying CONSULT-II DATA MONITOR Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When key is removed from ignition key cylinder :
  KEY ON SW : OFF
Without CONSULT-II

Check voltage between BCM connector M18 terminal 37 and ground.

Fig 2: Checking Connector Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between Bcm Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK >> System is OK.
2. NG >> GO TO 2.
CHECK KEY SWITCH (INSERT)
OK or NG

Check continuity between key switch connector terminals.

Fig 4: Checking Terminal Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Continuity Between Key Switch Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK >> Repair or replace harness.
2. NG >> Replace key switch.