DTC B1920/77: Short in Rear Pretensioner Squib RH Circuit; DTC B1921/77: Open in Rear Pretensioner Squib RH Circuit; DTC B1922/77: Short to GND in Rear Pretensioner Squib RH Circuit; DTC B1923/77: Short to B+ in Rear Pretensioner Squib RH Circuit [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. 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 sensor assembly and rear seat 3 point type outer belt assembly RH.
The airbag sensor assembly uses this circuit to deploy the seat belt pretensioner when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the rear pretensioner squib RH circuit.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1920/77 |
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| B1921/77 |
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| B1922/77 |
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| B1923/77 |
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