SYSTEM DESCRIPTION
SEAT BELT WARNING SYSTEM DESCRIPTION
(a) Seat belt warning light operation for driver seat belt:
The seat belt warning light on the combination meter assembly blinks or turns off in accordance with the driver seat belt state and vehicle speed.
(b) Seat belt warning light operation for front passenger seat belt:
The seat belt warning light on the combination meter assembly blinks or turns off in accordance with the whether the front passenger seat is occupied, the front passenger seat belt state or vehicle speed.
(c) Rear seat belt warning light:
The rear seat belt warning light on the clock assembly illuminates or turns off in accordance with the rear door state, vehicle speed and rear seat belt state.
(d) Seat belt warning buzzer:
When the vehicle is driven at 20 km/h (12 mph) or more with the front passenger seat occupied and the driver, front passenger or rear seat belt not fastened, the seat belt warning buzzer in the combination meter assembly will sound at an interval of 1.2 seconds for 30 seconds.
an interval of 0.4 seconds for 90 seconds.
FUNCTION OF MAIN COMPONENTS
Component |
Function |
---|---|
Front seat inner belt assembly LH |
Informs the airbag sensor assembly of the driver seat belt condition (fastened or unfastened). |
Front seat inner belt assembly RH |
Informs the occupant detection ECU of the front passenger seat belt condition (fastened or unfastened). |
|
Informs the occupant detection ECU of the front passenger seat condition (occupied or unoccupied). |
Combination meter assembly |
|
|
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). |
Clock assembly |
The clock assembly illuminates, blinks or turns off the rear seat belt warning light. |
Main body ECU (multiplex network body ECU) |
Sends the rear door courtesy switch signal to the combination meter assembly via CAN communication. |
Occupant detection ECU |
Sends the front passenger seat belt buckle switch signal and occupant detection signal to the airbag sensor assembly via CAN communication. |
Airbag sensor assembly |
Sends the front passenger seat belt buckle switch signal and occupant detection 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. |
ECM |
Sends the shift position signal to the combination meter assembly via CAN communication. |
Toyota CH-R Service Manual > Vehicle Stability Control System: Open in Stop Light Switch Circuit (C1425)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives stop light switch signals
and uses them to determine whether or not the brakes are applied.
The skid control ECU (brake actuator assembly) has a detection circuit that it
uses to detect an open in the stop light input line.
I ...
Toyota CH-R Service Manual > Front Door Lock: Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH (w/o Double Locking System)
(a) Check the door lock motor operation (for Driver Side).
(1) Apply battery voltage to the motor connector and check the operation
of the door lock motor.
OK:
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