Key Switch (Insert) Check

With CONSULT-II

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT-II. Refer to , "DATA MONITOR ".

Fig 1: CONSULT II Display - Data Monitor

Courtesy of NISSAN MOTOR CO., U.S.A.

• When key is inserted to ignition key cylinder:

  KEY ON SW: ON 

• 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 Voltage Between BCM Terminal 37 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: System is OK.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between key switch and key lock solenoid connector terminals 3 and 4.
   KEY SWITCH (INSERT)
   
   

   Terminals	Condition	Continuity
   3 - 4	Key is inserted.	Yes
   	Key is removed.	No

   Fig 3: Checking Continuity Between Key Switch And Key Lock Solenoid Connector Terminals 3 And 4

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: GO TO 3.

NG: Replace key switch and key lock solenoid.

1. Disconnect BCM connector.
2. Check continuity between the BCM harness connector M18 terminal 37 and key switch and key lock solenoid harness connector M26 terminal 4.
3. Check continuity between BCM harness connector M18 terminal 37 and ground.

   37 - 4: Continuity should exist 

   37 - Ground: Continuity should not exist 

   Fig 4: Checking Key Switch And Key Lock Solenoid Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: Check the following:

• 10A fuse [No. 21, located in fuse block (J/B)]
• Harness for open or short between key switch and key lock solenoid and fuse

NG: Repair or replace harness.