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: Description
The rear seat belt pretensioner RH circuit consists of the center airbag sensor assembly and rear seat 3 point type outer belt assembly RH.
This circuit instructs the SRS to deploy when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the rear seat belt pretensioner RH circuit.
| DTC Code |
DTC Detection Condition |
Trouble Area |
| B1920/77 |
One of the following conditions is met:
- The center airbag sensor assembly detects a line short circuit signal 5 times in the rear seat belt pretensioner RH circuit during the primary check.
- A rear seat belt pretensioner RH malfunction.
- A center airbag sensor assembly malfunction.
|
- Floor wire
- Rear seat 3 point type outer belt assembly RH (Rear seat belt pretensioner RH)
- Center airbag sensor assembly
|
| B1921/77 |
One of the following conditions is met:
- The center airbag sensor assembly detects an open circuit signal in the rear seat belt pretensioner RH circuit for 2 seconds.
- A rear seat belt pretensioner RH malfunction.
- A center airbag sensor assembly malfunction.
|
| B1922/77 |
One of the following conditions is met:
- The center airbag sensor assembly detects a short circuit to ground signal in the rear seat belt pretensioner RH circuit for 0.5 seconds.
- A rear seat belt pretensioner RH malfunction.
- A center airbag sensor assembly malfunction.
|
| B1923/77 |
One of the following conditions is met:
- The center airbag sensor assembly detects a short circuit to B+ signal in the rear seat belt pretensioner RH circuit for 0.5 seconds.
- A rear seat belt pretensioner RH malfunction.
- A center airbag sensor assembly malfunction.
|