Toyota CH-R Service Manual: System Diagram

Toyota CH-R Service Manual / Supplemental Restraint Systems / Airbag System / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Airbag Sensor Assembly	ECM	Crash detection signal	CAN
Airbag Sensor Assembly	Combination Meter Assembly	SRS warning light on demand signal Diagnosis signal (DTC)
Airbag Sensor Assembly	Skid Control ECU (Brake Actuator Assembly)	Yaw rate and acceleration signal
Occupant Detection ECU*	Airbag Sensor Assembly	Occupant classification system failure signal Occupant classification system zero point error signal Occupant state for passenger signal Buckle switch state of passenger signal
ECM	Airbag Sensor Assembly	Shift position signal Test mode signal Engine speed signal
Skid Control ECU (Brake Actuator Assembly)	Airbag Sensor Assembly	Vehicle speed signal Stop signal
Main Body ECU (Multiplex Network Body ECU)	Airbag Sensor Assembly	Trip count signal Time count signal

*: w/ Occupant Classification System

Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT AIRBAG SENSOR LH *2 FRONT AIRBAG SENSOR RH *3 DOOR SIDE AIRBAG SENSOR LH *4 ...

System Description

SYSTEM DESCRIPTION GENERAL (a) Acceleration sensors and pressure sensors used for the airbag system are installed to various parts on the vehicle and calculate the acceleration rate and pressure ...

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