The front passenger side - side squib circuit consists of the center airbag sensor assembly and the front seat side airbag assembly (passenger side).

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are recorded when a malfunction is detected in the front passenger side - side squib circuit.

The center airbag sensor assembly consists of the airbag sensor, the safing sensor, the drive circuit, the diagnosis circuit, the ignition control, etc.

If the center airbag sensor assembly receives signals from the airbag sensor, it determines whether or not the SRS should be activated.

DTC B1000/31 is recorded when a malfunction is detected in the center airbag sensor assembly.

If a trouble code is displayed during the DTC check, check the circuit listed from the code in the table below (refer to the appropriate page).

Connect the intelligent tester to the DLC3.

Connect the intelligent tester to the DLC3.

Check the DTCs (Present trouble code).

The vehicle's ECM uses CAN and conforms to ISO 14230 and ISO 9141-2 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and meets the ISO 14230 and ISO 9141-2 format.

Lexus IS250 IS220d GSE20 ALE20 SUPPLEMENTAL RESTRAINT SYSTEM

Lexus IS250 IS220d GSE20 ALE20 SUPPLEMENTAL RESTRAINT SYSTEM

The intelligent tester can be used in steps 3, 4, 6, 8, 10 and 11.