DTC B1905/74 Short in Front Passenger Side Pretensioner Squib Circuit; DTC B1906/74 Open in Front Passenger Side Pretensioner Squib Circuit; DTC B1907/74 Short to GND in Front Passenger Side Pretensioner Squib Circuit; DTC B1908/74 Short to B+ in Front Passenger Side Front Pretensioner Squib Circuit: Description
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
The front passenger side front pretensioner squib circuit consists of the center airbag sensor assembly and the front seat outer belt assembly RH.
This circuit signals the SRS to deploy when deployment conditions are met.
These DTCs are recorded when a malfunction is detected in the front passenger side front pretensioner squib circuit.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| B1905/74 |
- Center airbag sensor assembly detects line short circuit signal in front passenger side front pretensioner squib circuit 5 times during primary check.
- Front passenger side front pretensioner squib malfunction
- Center airbag sensor assembly malfunction
|
- Floor wire
- Front seat outer belt assembly RH (Front passenger side front pretensioner squib)
- Center airbag sensor assembly
|
| B1906/74 |
- Center airbag sensor assembly detects open circuit signal in front passenger side front pretensioner squib circuit for 2 seconds.
- Front passenger side front pretensioner squib malfunction
- Center airbag sensor assembly malfunction
|
- Floor wire
- Front seat outer belt assembly RH (Front passenger side front pretensioner squib)
- Center airbag sensor assembly
|
| B1907/74 |
- Center airbag sensor assembly detects short circuit to ground signal in front passenger side front pretensioner squib circuit for 0.5 seconds.
- Front passenger side front pretensioner squib malfunction
- Center airbag sensor assembly malfunction
|
- Floor wire
- Front seat outer belt assembly RH (Front passenger side front pretensioner squib)
- Center airbag sensor assembly
|
| B1908/74 |
- Center airbag sensor assembly detects short circuit to B+ signal in front passenger side front pretensioner squib circuit for 0.5 seconds.
- Front passenger side front pretensioner squib malfunction
- Center airbag sensor assembly malfunction
|
- Floor wire
- Front seat outer belt assembly RH (Front passenger side front pretensioner squib)
- Center airbag sensor assembly
|