Toyota Yaris: Airbag System / System Diagram
SYSTEM DIAGRAM

Communication Table
Transmitting ECU / Parts (Transmitter) | Receiving ECU / Parts (Receiver) | Signal | Communication Method |
Front Airbag Sensor | Airbag Sensor Assembly | | Direct line |
No. 1 Side Airbag Sensor | |
Side Airbag Pressure Sensor | |
Airbag Cut Off Switch Cylinder Sub-assembly | -
Airbag cut off switch signal
|
Airbag Sensor Assembly | Horn Button Assembly | |
Instrument Panel Passenger without Door Airbag Assembly |
Front Seat Airbag Assembly |
Curtain Shield Airbag Assembly |
Front Seat Outer Belt Assembly |
Passenger Airbag ON/OFF Indicator (Telltale Light Assembly) | -
Passenger airbag indicator ON signal
-
Passenger airbag indicator OFF signal
|
ECM | -
Collision detection signal (for fuel cut)
| CAN |
Skid Control ECU (Brake Actuator Assembly) | -
Collision detection signal (for secondary collision brake)
|
Combination Meter Assembly | -
SRS warning light illumination request signal
-
Hazard light flashing request signal
|
Main Body ECU (Multiplex Network Body ECU) | -
Interior light illumination request signal
|
Millimeter Wave Radar Sensor Assembly | Airbag Sensor Assembly | |
PARTS LOCATION ILLUSTRATION
*1 FRONT AIRBAG SENSOR LH *2 FRONT AIRBAG SENSOR RH *3 SIDE AIRBAG PRESSURE SENSOR LH *4 SIDE AIRBAG PRESSURE SENSOR RH *5 NO...
SYSTEM DESCRIPTION FUNCTION OF SRS CONNECTORS (a) Location of activation prevention mechanism
(b) Function of activation prevention mechanism
(1) This mechanism is designed to create a short circuit automatically between the positive (+) and negative (-) terminals of a squib power source connector when disconnected...
Other information:
DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly via LIN communication system. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals...
PRECAUTION HANDLING PRECAUTION FOR DYNAMIC RADAR CRUISE CONTROL SYSTEM Keep in mind the following points when servicing vehicles equipped with the dynamic radar cruise control system. (a) The dynamic radar cruise control system is designed to be used when driving on highways and freeways...
Categories
The front seat belt pretensioners are designed to deploy in moderate or
severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover
accident is detected. The pretensioners operate differently
depending on what types of air bags are equipped. For more details
about the seat belt pretensioner operation, refer to the SRS Air Bag
Deployment Criteria.
read more