DTC B1815/54: Short in Front Passenger Side Squib 2nd Step Circuit; DTC B1816/54: Open in Front Passenger Side Squib 2nd Step Circuit; DTC B1817/54: Short to GND in Front Passenger Side Squib 2nd Step Circuit; DTC B1818/54: Short to B+ in Front Passenger Side Squib 2nd Step Circuit: Description
The front passenger side squib 2nd step circuit consists of the center airbag sensor assembly and the front passenger airbag assembly.
The 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 squib 2nd step circuit.
| DTC No. |
DTC Detection Condition |
Trouble Area |
| B1815/54 |
When one of following conditions is met:
- Center airbag sensor assembly detects line short circuit signal in front passenger side squib 2nd step circuit 5 times during primary check.
- Front passenger side squib 2nd step malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- No. 2 instrument panel wire
- Front passenger airbag assembly (Front passenger side squib 2nd step)
- Center airbag sensor assembly
|
| B1816/54 |
When one of following conditions is met:
- Center airbag sensor assembly detects open circuit signal in front passenger side squib 2nd step circuit for 2 seconds.
- Front passenger side squib 2nd step malfunction
- Center airbag sensor assembly malfunction
|
| B1817/54 |
When one of following conditions is met:
- Center airbag sensor assembly detects short circuit to ground signal in front passenger side squib 2nd step circuit for 0.5 seconds.
- Front passenger side squib 2nd step malfunction
- Center airbag sensor assembly malfunction
|
| B1818/54 |
When one of following conditions is met:
- Center airbag sensor assembly detects short circuit to B+ signal in front passenger side squib 2nd step circuit for 0.5 seconds.
- Front passenger side squib 2nd step malfunction
- Center airbag sensor assembly malfunction
|