| Seat sensor mat |
Detects if the passenger seat is empty or occupied |
| Occupant Classification System control unit |
Transmits the passenger seat status (occupied or empty) to air bag diagnosis sensor unit |
| Front passenger air bag OFF indicator |
Turns the front passenger air bag OFF indicator lamp ON when the front passenger seat is occupied by a child or a child-seat |
| Air bag diagnosis sensor unit |
Performs the deploy judgement of passenger air bag based on the information from Occupant Classification System control unit |