DTC B1920: Short in Rear P/T Squib (RH) Circuit; DTC B1921: Open in Rear P/T Squib (RH) Circuit; DTC B1922: Short in Rear P/T Squib (RH) Circuit (to Ground); DTC B1923: Short in Rear P/T Squib (RH) Circuit (to +B) [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 rear pretensioner squib RH circuit consists of the airbag ECU assembly and rear seat 3 point type belt assembly RH.
The airbag ECU assembly uses this circuit to deploy the pretensioner when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the rear pretensioner squib RH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1920 | Short in Rear P/T Squib (RH) Circuit |
|
|
Comes on | Applies to check mode |
| B1921 | Open in Rear P/T Squib (RH) Circuit |
|
|
Comes on | Applies to check mode |
| B1922 | Short in Rear P/T Squib (RH) Circuit (to Ground) |
|
|
Comes on | Applies to check mode |
| B1923 | Short in Rear P/T Squib (RH) Circuit (to +B) |
|
|
Comes on | Applies to check mode |