Key Warning Chime Does Not Operate

Check if the key switch and key lock solenoid (key detection) switch fuse is blown. Refer to WIRING DIAGRAM - CHIME -  .

Is the fuse blown?

1. YES: Replace fuse. Be sure to repair the cause of the problem before installing new fuse.
2. NO: GO TO 2.

With key removed from the ignition and the front door LH open, turn the lighting switch to 1st or 2nd position.

Does warning chime sound?

1. YES: GO TO 3.
2. NO: Go to ALL WARNINGS ARE NOT OPERATED  or KEY WARNING CHIME AND LIGHT WARNING CHIME DOES NOT OPERATE (SEAT BELT WARNING CHIME DOES OPERATE)  .

With CONSULT-II 

With "KEY WARN ALM on the data monitor, insert the key into the ignition cylinder to check ON/OFF operation.

Fig 1: Key Switch Inspection Chart

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

Fig 2: Scan Tool Display "Data Monitor

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

Without CONSULT-II 

Check voltage between BCM harness connector M18 terminal 62 (B/R) and ground.

Fig 3: BCM harness connector M18 terminal 62 (B/R) & ground Specifications Table

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

Fig 4: BCM harness connector M18 terminal 62 (B/R) & ground Voltage Test

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

OK or NG

1. OK: Replace BCM.
2. NG: GO TO 4.

1. Disconnect key switch and key lock solenoid connector.
2. Check continuity between key switch and key lock solenoid terminals 3 and 4.
   Fig 5: Key Switch & Key Lock Solenoid Terminals 3 & 4 Continuity Specifications Table

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 6: Key Switch & Key Lock Solenoid Terminals 3 & 4 Continuity Test

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

OK or NG

1. OK: GO TO 5.
2. NG: Replace key switch and key lock solenoid.

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M18 terminal 62 (B/R) and key switch and key lock solenoid harness connector M26 terminal 4 (B/R).

   Continuity should exist. 

3. Check continuity between BCM harness connector M18 terminal 62 (B/R) and ground.

   Continuity should not exist. 

   Fig 7: BCM Harness Connector M18 Terminal 62 & Ground Continuity Test

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

OK or NG

1. OK: GO TO 6.
2. NG: Repair harness or connector.

Check voltage between key switch and key lock solenoid harness connector M26 terminal 3 (Y/R) and ground.

Battery voltage should exist. 

OK or NG

1. OK: Replace BCM.
2. NG: Check harness for open between key switch and key lock solenoid and fuse.
   Fig 8: Key Switch & Key Lock Solenoid Harness Connector M26 Terminal 3 & Ground Voltage Test

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