Chime Sounds With Driver Seat Belt Fastened

Possible Causes are:

• SEAT BELT SWITCH STATUS WRONG
• SEAT BELT SWITCH SHORTED
• BODY CONTROL MODULE SEAT BELT SWITCH SHORTED
• SEAT BELT SWITCH SENSE WIRE SHORT TO GROUND
• JUNCTION BLOCK SEAT BELT SWITCH SENSE SHORTED

1. Ensure the drivers seat belt is fastened. Using the DRBIII(R), select: Body, Body Computer, Input/Output. Turn ignition on. Read the Seat Belt Sw, status. Does the DRBIII(R) show Seat Belt Sw: CLOSED? If yes, go to next step. If no, replace the Body Control Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
2. Disconnect the Seat Belt witch connector. Using the DRBIII(R), select: Body, Body Computer, Input Output. Turn ignition on. Read the Seat Belt Sw. status. Does the DRBIII(R) show Seat Belt Sw: CLOSED? If yes, go to next step. If no, replace the seat belt switch. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
3. Remove the BCM from the Junction Block. Disconnect the Seat Belt Switch connector. Turn ignition off. Measure the resistance between ground and the Seat Belt Switch Sense circuit in the Seat Belt Switch connector. Is the resistance less than 100 ohms? If yes, go to next step. If no, replace the Body Control Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
4. Turn ignition off. Disconnect the Seat Belt Switch connector. Remove the BCM from the Junction Block. Disconnect the Junction Block C1 connector. Measure the resistance between ground and the Seat Belt Switch Sense circuit in the Seat Belt Switch connector. Is the resistance less than 100 ohms? If yes, repair the Seat Belt Switch Sense wire for a short to ground. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
5. If there are no possible causes remaining, replace the Junction Block. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.