System Description

WARNING CHIME SYSTEM

SEAT BELT WARNING CHIME : System Diagram



SEAT BELT WARNING CHIME : System Description


DESCRIPTION

With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approximately 6 seconds.
- BCM receives seat belt buckle switch signal from combination meter with CAN communication line.
- BCM detects ignition switch turned ON and seat belt buckle switch LH ON. And then transmits buzzer output signal (seat belt warning chime) to combination meter with CAN communication line.
- When combination meter receives buzzer output signal (seat belt warning chime), it sounds the buzzer.

WARNING OPERATION CONDITIONS

- Ignition switch OFF --> ON
- Seat buckle switch LH is ON (driver seat belt not fastened)

WARNING CANCEL CONDITIONS

- Ignition switch OFF
- Seat buckle switch LH is OFF (driver seat belt fastened)
- 90 seconds have passed since the start of the warning