DTC B181A/7A: Short in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181B/7A: Open in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181C/7A: Short to GND in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181D/7A: Short to B+ in Passenger Side Airbag Variable Vent Hole Squib Circuit: Description
The front passenger side airbag variable vent hole squib circuit consists of the airbag ECU assembly and instrument panel passenger without door airbag assembly.
The airbag ECU assembly uses this circuit to deploy the airbag when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the front passenger side airbag variable vent hole squib circuit.
| DTC No. |
DTC Detection Condition |
Trouble Area |
| B181A/7A |
- The airbag ECU assembly receives a line short circuit signal in the front passenger side airbag variable vent hole squib circuit during primary check.
- Front passenger side airbag variable vent hole squib malfunction
- Airbag ECU assembly malfunction
|
- Floor wire
- Instrument panel wire
- No. 2 instrument panel wire
- Instrument panel passenger without door airbag assembly (Front passenger side airbag variable vent hole squib)
- Airbag ECU assembly
|
| B181B/7A |
- The airbag ECU assembly receives an open circuit signal in the front passenger side airbag variable vent hole squib circuit.
- Front passenger side airbag variable vent hole squib malfunction
- Airbag ECU assembly malfunction
|
| B181C/7A |
- The airbag ECU assembly receives a short circuit to ground signal in the front passenger side airbag variable vent hole squib circuit.
- Front passenger side airbag variable vent hole squib malfunction
- Airbag ECU assembly malfunction
|
| B181D/7A |
- The airbag ECU assembly receives a short circuit to B+ signal in the front passenger side airbag variable vent hole squib circuit.
- Front passenger side airbag variable vent hole squib malfunction
- Airbag ECU assembly malfunction
|