DTC B1160: Airbag ECU Malfunction1; DTC B1161: Airbag ECU Malfunction2; DTC B1162: Airbag ECU Malfunction3; DTC B1163: Airbag ECU Malfunction4; DTC B1164: Airbag ECU Malfunction5; DTC B1165: Airbag ECU Malfunction6; DTC B1166: Airbag ECU Malfunction7; DTC B1167: Airbag ECU Malfunction8 [06/2018 - ]: Description
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
The airbag ECU assembly consists of the acceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the airbag ECU assembly receives signals from the acceleration sensor and pressure sensor, it determines whether the airbags and pretensioners should be deployed.
These DTCs are stored when a malfunction is detected in the airbag ECU assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1160 | Airbag ECU Malfunction1 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1161 | Airbag ECU Malfunction2 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1162 | Airbag ECU Malfunction3 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1163 | Airbag ECU Malfunction4 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1164 | Airbag ECU Malfunction5 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1165 | Airbag ECU Malfunction6 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1166 | Airbag ECU Malfunction7 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |
| B1167 | Airbag ECU Malfunction8 | Airbag ECU assembly malfunction | Airbag ECU assembly | Comes on | Does not apply to test/check mode |