Key Warning Chime Does Not Operate

Check if the key switch fuse [No. 19, located in the fuse block (J/B)] is blown. Refer to WIRING DIAGRAM - CHIME - .

Is the fuse blown? 

• YES: Replace the fuse. Be sure to repair the cause of malfunction before installing new fuse.
• 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? 

• YES: GO TO  3.
• NO: Go to ALL WARNING CHIMES DO NOT OPERATE  or KEY WARNING CHIME AND LIGHT WARNING CHIME DO NOT OPERATE (SEAT BELT WARNING CHIME DOES OPERATE) .

With CONSULT-II 

With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW" changes when the key is inserted/removed from the ignition key cylinder.

• When key is inserted in ignition key cylinder: KEY ON SW ON 
• When key is removed from ignition key cylinder: KEY ON SW OFF 

Fig 1: With CONSULT-II - Data Monitor Display

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

Without CONSULT-II 

Check voltage between BCM harness connector M18 terminal 37 (B/R) and ground.

Fig 2: Connector Terminal Wire Color Specification Table

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

Fig 3: Checking Voltage Between BCM Harness Connector M18 Terminal 37 (B/R) & Ground

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

OK or NG 

• OK: Replace the BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
• NG: GO TO  4.

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 M27 terminals 3 and 4.
   Fig 4: Connector Terminal Continuity Chart

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

OK or NG 

• OK: GO TO  5.
• NG: Replace the key switch and key lock solenoid.

Fig 5: Checking Continuity Between Key Switch & Key Lock Solenoid Connector M27 Terminals 3 & 4

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

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M18 terminal 37 (B/R) and key switch and key lock solenoid harness connector M27 terminal 4 (B/R).
   • Continuity should exist. 
3. Check continuity between BCM harness connector M18 terminal 37 (B/R) and ground.
   • Continuity should not exist. 
   Fig 6: Checking Key Switch Circuit

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

OK or NG 

• OK: GO TO  6.
• NG: Repair harness or connector.

Check voltage between key switch and key lock solenoid harness connector M27 terminal 3 (Y/R) and ground.

• Battery voltage should exist. 

OK or NG 

• OK: Replace the BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
• NG: Check harness for open or short between fuse and key switch and key lock solenoid.

Fig 7: Checking Voltage Between Key Switch & Key Lock Solenoid Harness Connector M27 Terminal 3 (Y/R) & Ground

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