Key Switch (Insert) Check

With CONSULT 

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT. Refer to , "CONSULT FUNCTION (BCM) ".

• When key is inserted into ignition key cylinder:

  KEY ON SW: ON 

• When key is removed from ignition key cylinder:

  KEY ON SW: OFF 

Without CONSULT 

Check voltage between BCM connector and ground.

Fig 1: Checking Key Switch Input Signal

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: Key switch circuit is OK.

NG-1 >> GO TO 2 (with Intelligent Key).

NG-2 >> GO TO  3 (without Intelligent Key).

1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check continuity between key switch and ignition knob switch terminals.

   Terminal		Condition		Continuity
   Key switch and ignition knob switch
   1	2	Key	Inserted	Yes
   			Removed	No

   Fig 2: Checking Key Switch (With Intelligent Key)

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: Check the following.

   • 10A fuse (No. 9, located in fuse and fusible link block)
   • Harness for open or short between key switch and ignition knob switch and fuse
   • Harness for open or short between BCM and key switch and ignition knob switch

   NG: Replace key switch and ignition knob switch.

1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check key switch.

   Terminals	Condition	Continuity
   1 - 2	Key is inserted.	Yes
   	Key is removed.	No

   Fig 3: Checking Key Switch (Without Intelligent Key)

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: Check the following.

   • 10A fuse [No. 19, located in fuse block (J/B)]
   • Harness for open or short between key switch and fuse
   • Harness for open or short between BCM and key switch

   NG: Replace key switch.