Toyota CH-R Service Manual: System Diagram

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

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Airbag Sensor Assembly	Occupant Detection ECU	Crash detection signal Acceleration signal Sensor power supply signal Sensor failure signal Sensor Type signal	CAN
Skid Control ECU (Brake Actuator Assembly)	Occupant Detection ECU	Vehicle speed signal G sensor signal G sensor zero point error 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

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Airbag Sensor Assembly

Occupant Detection ECU

Crash detection signal
Acceleration signal
Sensor power supply signal
Sensor failure signal
Sensor Type signal

CAN

Skid Control ECU (Brake Actuator Assembly)

Occupant Detection ECU

Vehicle speed signal
G sensor signal
G sensor zero point error 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

Precaution

PRECAUTION GENERAL PRECAUTION (a) The following conditions may be interpreted as a malfunction even though they are normal operation: An object is placed on the passenger seat and the syst ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the occupant classification system. *: Use the Techstream. PROCEDURE 1. VEHIC ...

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