DTC B1890/71: Short in Rear Window Curtain Shield Airbag Squib Circuit; DTC B1891/71: Open in Rear Window Curtain Shield Airbag Squib Circuit; DTC B1892/71: Short to GND in Rear Window Curtain Shield Airbag Squib Circuit; DTC B1893/71: Short to B+ in Rear Window Curtain Shield Airbag Squib Circuit [08/2014 - ]: Description
The rear window curtain shield squib circuit consists of the center airbag sensor assembly and the rear window curtain shield airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
These DTCs are recorded when a malfunction is detected in the rear window curtain shield squib circuit.
| DTC No. |
DTC Detection Condition |
Trouble Area |
| B1890/71 |
When one of following conditions is met:
- The center airbag sensor assembly receives a line short circuit signal 5 times in the rear window curtain shield squib circuit during primary check.
- Rear window curtain shield squib malfunction
- Center airbag sensor assembly malfunction
|
- Floor wire
- Rear window curtain shield airbag assembly (Rear window curtain shield squib)
- Center airbag sensor assembly
|
| B1891/71 |
When one of following conditions is met:
- The center airbag sensor assembly receives an open circuit signal in the rear window curtain shield squib circuit for 2 seconds.
- Rear window curtain shield squib malfunction
- Center airbag sensor assembly malfunction
|
| B1892/71 |
When one of following conditions is met:
- The center airbag sensor assembly receives a short circuit to ground signal in the rear window curtain shield squib circuit for 0.5 seconds.
- Rear window curtain shield squib malfunction
- Center airbag sensor assembly malfunction
|
| B1893/71 |
When one of following conditions is met:
- The center airbag sensor assembly receives a short circuit to B+ signal in the rear window curtain shield squib circuit for 0.5 seconds.
- Rear window curtain shield squib malfunction
- Center airbag sensor assembly malfunction
|