For 1990-2009 cars

Problem | Action
--- | ---
All warning chimes are inoperative | Chime Inoperative
The key-in-ignition chime does not operate properly | Key-in-Ignition Chime Inoperative
The fasten-seat-belts chime sounds when the driver's seat belt is buckled | Fasten Safety Belt Chime Always On
The lights-on chime is inoperative | Test for a poor connection at Convenience Center connector C1 terminal D, or an open in CKT 9. If OK, replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The fasten-seat-belt chime sounds continuously. | Replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The fasten-seat-belt chime does not operate. | Test for a short to batterty voltage or an open in CKT 238 or CKT 150. If OK, replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The multi-function alarm module chimes one time every three seconds during the power output diagnostic mode. | Replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The multi-function alarm module chimes two times every three seconds during the power output diagnostic mode. | Replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The multi-function alarm module chimes three times every three seconds during the power output diagnostic mode. | Replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .
The interior lamps fuse opens continuously | Remove the multi-function alarm module connector C2 and test for a short to ground in CKTs 340, 1732, and 1733. If OK, replace the multi-function alarm module. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .