Airbag System System Diagram

Restraints. Lexus Is250, Is220D. Gse20 Ale20
Supplemental Restraint System. Lexus Is250, Is220D. Gse20 Ale20

Airbag System -- System Diagram



Lexus Is250, Is220D. Gse20 Ale20.Supplemental Restraint System.Airbag System.Airbag System System Diagram


Lexus Is250, Is220D. Gse20 Ale20.Supplemental Restraint System.Airbag System.Airbag System System Diagram


Transmitting ECU
(Transmitter)
Receiving ECU
Signals
Communication method
Center Airbag Sensor Assembly
ECM
  1. Crash detection signal
  2. Driver seat buckle switch signal
CAN
Center Airbag Sensor Assembly
Seat Belt Control ECU
  1. Driver seat buckle switch signal
  2. Passenger seat buckle switch signal
  3. Buckle switch malfunction signal
CAN
Center Airbag Sensor Assembly
Main Body ECU
Driver seat buckle switch signal
CAN - BEAN
Center Airbag Sensor Assembly
Combination Meter Assembly
  1. SRS warning light ON demand signal
  2. Driver seat buckle switch signal
  3. Diagnosis signal (DTC)
CAN - BEAN
Combination Meter Assembly
Center Airbag Sensor Assembly
Vehicle speed signal
BEAN - CAN
ECM
Center Airbag Sensor Assembly
  1. E/G speed signal
  2. Accelerator opening angle information
  3. Accelerator opening angle signal
  4. Shift position signal
    Test mode signal
    Stop signal
CAN