Key Warning Chime Does Not Operate (Without Intelligent Key)

Check if the key switch 15A fuse [No. 22, located in the fuse block (J/B)] is blown. Refer to "WIRING DIAGRAM - CHIME - ".

Is the fuse blown? 

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

Check the chime under conditions in exception of key warning chime (without Intelligent Key) operation.

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 

1. Select "BCM".
2. With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW" when the key is operated.
   1. "KEY ON SW" 
   2. When key is inserted to ignition key cylinder: ON 
   3. When key is removed from ignition key cylinder: OFF 

Fig 1: CONSULT-II Diagnosis Function Display

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

Without CONSULT-II 

Check voltage between BCM harness connector M3 terminal 37 (B/W) and ground.

1. 37 (B/W) - Ground 
2. When key is inserted to ignition key cylinder: Approx. 12 V 
3. When key is removed from ignition key cylinder: Approx. 0 V 

OK or NG 

1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
2. NG: GO TO 4.

Fig 2: Checking Voltage Between Terminal 37 And Ground

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

1. Disconnect key switch connector.
2. Check continuity between key switch connector M23 terminals 1 and 2.
   1. 1-2 
   2. When key is inserted to ignition key cylinder: Continuity should exist. 
   3. When key is removed from ignition key cylinder: Continuity should not exist. 

OK or NG 

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

Fig 3: Checking Continuity Between Terminals 1 And 2

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

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M3 terminal 37 (B/W) and key switch harness connector M23 terminal 1 (B/W).
   1. 37 (B/W) - 1 (B/W): Continuity should exist. 
3. Check continuity between BCM harness connector M3 terminal 37 (B/W) and ground.
   1. 37 (B/W) - Ground: Continuity should not exist. 

OK or NG 

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

Fig 4: Checking Continuity Between Terminal 37 And Ground

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

Check voltage between key switch harness connector M23 terminal 2 (L/R) and ground.

1. 2 (L/R) - Ground: Battery voltage 

OK or NG 

1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
2. NG: Check harness between key switch and fuse.

Fig 5: Checking Voltage Between Key Switch Harness Connector M23 Terminal 2 And Ground

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