Key Warning Chime Does Not Operate

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
Check if the key switch fuse and key lock solenoid 10A fuse [No. 21, 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 WARNING CHIME OPERATION
Check the chime under conditions in exception of key warning chime 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) ".
CHECK BCM INPUT SIGNAL
With CONSULT-II
1. Select "BCM".
2. With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW" when the key is operated.
  When key is inserted to ignition key cylinder: KEY ON SW ON
  
  When key is removed from ignition key cylinder: KEY ON SW OFF
  
  Fig 1: Displaying DATA MONITOR
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between BCM harness connector M34 terminal 37 (B/R) and ground.

When key is inserted to ignition key cylinder: Approx. 12V

When key is removed from ignition key cylinder: Approx. 0V

Fig 2: Checking Voltage Between BCM Harness Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
2. NG: GO TO 4.
CHECK KEY SWITCH
1. Disconnect key switch and key lock solenoid connector.
2. Check continuity between key switch and key lock solenoid connector M28 terminals 3 and 4.
  When key is inserted to ignition key cylinder: Continuity should exist.
  
  When key is removed from ignition key cylinder: Continuity should not exist.
  
  Fig 3: Checking Continuity Between Key Switch And Key Lock Solenoid Connector Terminals
  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.
CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M34 terminal 37 (B/R) and key switch and key lock solenoid harness connector M28 terminal 4 (B/R).
  Continuity should exist.
3. Check continuity between BCM harness connector M34 terminal 37 (B/R) and ground.
  Continuity should not exist.
  
  Fig 4: Checking Continuity Between BCM Harness Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 6.
2. NG: Repair harness or connector.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and key lock solenoid harness connector M28 terminal 3 (Y/R) and ground.

Battery voltage should exist.

Fig 5: Checking Voltage Between Key Switch And Key Lock Solenoid Harness Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

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