Check Key Switch Built In Key Slot

When the driver door is opened while inserting the Intelligent Key into the key slot, make sure that key reminder warning functions properly.

Key inserted: Sound 

Key removed: No sound 

OK or NG 

OK: GO TO  5.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot connector and ground.
   VOLTAGE SPECIFICATIONS
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Key slot connector	Terminal
   M14	1	Ground	Battery voltage

Fig 1: Checking Voltage Between Key Slot Connector And Ground

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

OK or NG 

OK: GO TO 3.

NG: Check key slot power supply circuit for open or short.

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and key slot connector.
   CONTINUITY CONDITIONS
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Key slot connector	Terminal
   M32	19	M14	2	Yes

3. Check continuity between Intelligent Key unit connector and ground.
   CONTINUITY CONDITIONS
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M32	19		No

Fig 2: Checking Harness Continuity 1

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

OK or NG 

OK: GO TO 4.

NG: Repair or replace harness.

Check key slot.

OK or NG 

OK: Check the condition of harness and connector.

NG: Replace key slot.

Fig 3: Checking Key Slot

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

1. Disconnect BCM connector.
2. Check continuity between BCM connector and key slot connector.
   CONTINUITY CONDITIONS
   
   

   A		B		Continuity
   BCM connector	Terminal	Key slot connector	Terminal
   M1	37	M14	2	Yes

3. Check continuity between BCM connector and ground.
   CONTINUITY CONDITIONS
   
   

   A		Ground	Continuity
   BCM connector	Terminal
   M1	37		No

Fig 4: Checking Harness Continuity 2

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

OK or NG 

OK: Replace BCM. Refer to "C/U INITIALIZATION", and then perform the registration again after replacing BCM.

NG: Repair or replace harness.