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.
Seat belt warning light operation for rear seat belt:
The rear seat belt warning lights on the combination meter assembly illuminate or turn off in accordance with the rear door state, vehicle speed and rear seat belt state.
Seat belt warning buzzer operation for front seat belt:
When the vehicle is driven at approximately 10 km/h (6 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 1.2 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.
Seat belt warning buzzer operation for rear seat belt:
When the vehicle is driven at approximately 10 km/h (6 mph) or more with a rear seat belt not fastened, the seat belt warning buzzer in the combination meter assembly will sound once.
When have passed after the buzzer sounded, 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 power distribution box assembly of the front passenger seat belt condition (fastened or unfastened). |
| Occupant detection sensor (separate type front seat cushion pad RH) | Informs the power distribution box assembly of the front passenger seat condition (occupied or unoccupied). |
| 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 front seat belt warning light. ·
Illuminates, blinks or turns off the rear seat belt warning light. ·
Sounds the front seat belt warning buzzer. ·
Sounds the rear seat belt warning buzzer. |
·
Rear seat inner belt assembly ·
Rear seat inner with center belt assembly LH |
Informs the power distribution box assembly of each rear seat belt condition (fastened or unfastened). |
| Main body ECU (multiplex network body ECU) | Sends the rear door courtesy light switch assembly and rear seat belt condition to the combination meter assembly via CAN communication. |
·
No. 2 skid control ECU (brake actuator assembly) (for HV Model) ·
Skid control ECU (brake actuator assembly) (for Gasoline Model) |
Sends the vehicle speed signal to the combination meter assembly via CAN communication. |
·
Hybrid vehicle control ECU (for HV Model) ·
ECM (for Gasoline Model) |
Sends the shift position signal to the combination meter assembly via CAN communication. |
| Power distribution box assembly | Sends the rear seat belt condition to the main body ECU (multiplex network body ECU) via CXPI communication. |