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
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 |
- The airbag sensor assembly receives a line short circuit signal in the rear pretensioner squib RH circuit during primary check.
- Rear pretensioner squib RH malfunction
- Airbag sensor assembly malfunction
|
- No. 2 floor wire
- Rear seat 3 point type outer belt assembly RH (Rear pretensioner squib RH)
- Airbag sensor assembly
|
| B1921/77 |
- The airbag sensor assembly receives an open circuit signal in the rear pretensioner squib RH circuit.
- Rear pretensioner squib RH malfunction
- Airbag sensor assembly malfunction
|
| B1922/77 |
- The airbag sensor assembly receives a short circuit to ground signal in the rear pretensioner squib RH circuit.
- Rear pretensioner squib RH malfunction
- Airbag sensor assembly malfunction
|
| B1923/77 |
- The airbag sensor assembly receives a short circuit to B+ signal in the rear pretensioner squib RH circuit.
- Rear pretensioner squib RH malfunction
- Airbag sensor assembly malfunction
|