Seat Belt Systems: Description and Operation

Passenger Seatbelt Warning System

SYSTEM DESCRIPTION
This system warns when passenger seatbelt is not fasten.

This system is composed of the following items.
- Seatbelt warning lamp.
- Seatbelt buckle switch (passenger side).
- Air bag diagnosis sensor unit.
- Occupant classification system.

Seatbelt warning lamp is used for both driver seatbelt warning and passenger seatbelt warning.
Seatbelt warning lamp turns ON when all conditions below are met.
- Driver seatbelt is fastened.
- Occupant is on passenger seat.
- Passenger seatbelt is not fasten.