System Diagram
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 COMMUNICATION METHOD CHART
| Transmitting ECU (Transmitter) |
Receiving ECU |
Signals |
Communication method |
| Center Airbag Sensor |
ECM |
- Crash detection signal
- Fuel cut signal
|
CAN |
| Center Airbag Sensor |
Main Body ECU |
Driver seat buckle switch signal |
| Center Airbag Sensor |
Combination Meter |
- SRS warning light ON demand signal
- SRS warning light blink demand signal
- Passenger seat occupant detection signal
- Passenger seat buckle switch signal
- Diagnosis signal (DTC)
|
| Combination Meter |
Center Airbag Sensor |
- Vehicle speed signal
- Meter diagnosis polling signal
|
| ECM |
Center Airbag Sensor |
- Engine speed signal
- Accelerator opening angle information
- Accelerator opening angle signal
- Shift position signal
- Test mode signal
- Stop signal
|
| Center Airbag Sensor |
Multi-display (w/ Multi-display) Integration Control and Panel (w/ o Multi-display) |
- Passenger occupant signal
- Passenger seat buckle switch signal
- Passenger ON/OFF indicator
|