DTC B1160: Airbag ECU Malfunction 1; DTC B1161: Airbag ECU Malfunction 2; DTC B1162: Airbag ECU Malfunction 3; DTC B1163: Airbag ECU Malfunction 4; DTC B1164: Airbag ECU Malfunction 5; DTC B1165: Airbag ECU Malfunction 6; DTC B1166: Airbag ECU Malfunction 7; DTC B1167: Airbag ECU Malfunction 8 [04/2018 -]: Description

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. 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 Malfunction 1	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1161	Airbag ECU Malfunction 2	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1162	Airbag ECU Malfunction 3	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1163	Airbag ECU Malfunction 4	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1164	Airbag ECU Malfunction 5	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1165	Airbag ECU Malfunction 6	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1166	Airbag ECU Malfunction 7	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode
B1167	Airbag ECU Malfunction 8	Airbag ECU assembly malfunction	Airbag ECU assembly	Comes on	Does not apply to test/check mode