Seat Belt Warning Chime Does Not Operate

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

Does warning chime sound for both steps?

• YES: GO TO 2.
• NO: Go to "ALL WARNING CHIMES DO NOT OPERATE ".

Turn ignition switch ON. Buckle and unbuckle driver seat belt while watching seat belt warning lamp.

When seat belt is fastened: Warning lamp OFF 

When seat belt is unfastened: Warning lamp ON 

OK or NG

• OK: Replace the BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
• NG: GO TO 3.

1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M24 terminal 4 (W/L) and ground.
   Fig 1: Checking Voltage Between Terminal 4 & Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Terminal Voltage Chart

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

OK or NG

• OK: Replace the combination meter. Refer to "COMBINATION METER ".
• NG: GO TO 4.

1. Turn ignition switch OFF.
2. Disconnect seat belt buckle switch LH connector.
3. Check continuity between seat belt buckle switch LH harness connector B12 terminals 1 and 2.
   Fig 3: Checking Continuity Between Terminals 1 & 2

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 4: Terminal Continuity Chart

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

OK or NG

• OK: GO TO 5.
• NG: Replace the seat belt buckle switch LH.

1. Disconnect combination meter connector M24.
2. Check continuity between combination meter harness connector M24 terminal 4 (W/L) and seat belt buckle switch LH harness connector B12 terminal 1 (O).
   Fig 5: Checking Continuity Between Terminal 4, 1 & Ground

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

   Continuity should exist. 

3. Check continuity between combination meter harness connector M24 terminal 4 (W/L) and ground.

   Continuity should not exist. 

OK or NG

• OK: Check seat belt buckle switch ground circuit.
• NG: Repair harness or connector.