SEAT BELT WARNING SYSTEM DESCRIPTION
Seat belt warning light operation for driver seat belt:
The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the driver seat belt state, vehicle speed, shift lever position and parking brake state.
Seat belt warning light operation for front passenger seat belt:
The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with whether the front passenger seat is occupied, the front passenger seat belt state, vehicle speed, shift lever position and parking brake state.
Rear seat belt warning light:
The rear seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the vehicle speed and rear seat belt state.
Front seat belt warning buzzer:
When the vehicle is driven at approximately 20 km/h (12 mph) or more with the front passenger seat occupied and the driver or front passenger seat belt not fastened, the seat belt warning buzzer in the combination meter assembly will sound at an interval of 2 seconds for 24 seconds.
After that, the seat belt warning buzzer in the combination meter assembly will sound at an interval of 0.4 seconds for 100 seconds.
Rear seat belt warning buzzer:
When the vehicle is driven at approximately 20 km/h (12 mph) or more with a rear seat occupied and the rear seat belt not fastened, the seat belt warning buzzer in the combination meter assembly will sound once.
After the seat belt warning buzzer in the combination meter assembly sounded once, the seat belt warning buzzer in the combination meter assembly will sound at an interval of 1.2 seconds for 6 seconds.
After that, the seat belt warning buzzer in the combination meter assembly will sound at an interval of 0.4 seconds for 60 seconds.
FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Front seat inner belt assembly LH | Informs the combination meter assembly of the driver seat belt condition (fastened or unfastened). |
| Front seat inner belt assembly RH | Informs the combination meter assembly of the front passenger seat belt condition (fastened or unfastened). |
| Occupant detection sensor (separate type front seat cushion pad RH)) | Informs the combination meter assembly of the front passenger seat condition (occupied or unoccupied). |
·
Rear seat inner belt assembly RH ·
Rear seat inner with center belt assembly LH |
Informs the combination meter assembly of each rear seat belt condition (fastened or unfastened). |
| Rear door courtesy light switch assembly (LH/RH) | Informs the main body ECU (multiplex network body ECU) of the rear door condition (open or closed). |
| Combination meter assembly | ·
Illuminates, blinks or turns off the seat belt warning light. ·
Sounds the seat belt warning buzzer. |
| Main body ECU (multiplex network body ECU) | ·
Sends the parking brake signal to the combination meter assembly via CAN communication. ·
Sends the rear door courtesy switch signal to the combination meter assembly via CAN communication. |
| Skid control ECU (brake actuator assembly) | Sends the vehicle speed signal to the combination meter assembly via CAN communication. |
| Hybrid vehicle control ECU*1 | Sends the shift position signal to the combination meter assembly via CAN communication. |
| ECM*2 |
*1: for HEV Model
*2: for Gasoline Model