Seat Belt Reminder Lamp: Description and Operation

Circuit Operation
The safety belt switch is open if the safety belt is buckled. If the electronic time control module is grounded at terminal C220/3 (safety belt input), the module will sound the warning chime six (6) times and illuminate the fasten belts indicator. The fasten belts indicator will remain illuminated until the belt switch is open, indicating that the seat belts is attached properly.