Key Warning Chime Does Not Operate

WARNING: This page is about a different car, the 2003 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 is blown. Refer to WIRING DIAGRAM - CHIME - .

Is the fuse blown?
1. YES : Replace the 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 IGN WARN ALM, confirm KEY ON SW when the key is operated.
  
  Fig 1: CONSULT-II DATA MONITOR Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  When key is inserted to ignition key cylinder : KEY ON SW ON
  
  When key is removed from ignition key cylinder : KEY ON SW OFF
Without CONSULT-II

Check voltage between BCM harness connector M37 terminal 62 (B/R) and ground.

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

Fig 3: Voltage Based On Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Replace the 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.
Fig 4: Continuity Based On Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : GO TO 5.
2. NG : Replace the key switch and key lock solenoid.
Fig 5: Checking Continuity Between Key Switch And Key Lock Solenoid
Courtesy of NISSAN MOTOR CO., U.S.A.
Check Key Switch Circuit
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M37 terminal 62 (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 M37 terminal 62 (B/R) and ground.
  Continuity should not exist.
OK or NG
1. OK : GO TO 6.
2. NG : Repair harness or connector.
Fig 6: Checking Continuity Between BCM And Key Switch And Key Lock
Courtesy of NISSAN MOTOR CO., U.S.A.
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.

OK or NG
1. OK : Replace the 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.
Fig 7: Checking Voltage Between Key Switch And Key Lock Solenoid And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.