DTC B1855: Short in Rear Side Squib LH Circuit; DTC B1856: Open in Rear Side Squib LH Circuit; DTC B1857: Short to GND in Rear Side Squib LH Circuit; DTC B1858: Short to B+ in Rear Side Squib LH Circuit [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 side squib LH circuit consists of the airbag ECU assembly and rear seat airbag assembly LH.
The airbag ECU assembly uses this circuit to deploy the airbag when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the rear side squib LH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1855 | Short in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1856 | Open in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1857 | Short to GND in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1858 | Short to B+ in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |