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 variable vent hole squib circuit consists of the center airbag sensor and front passenger airbag.
The circuit instructs the SRS to deploy when the deployment conditions are met.
These DTCs are stored when a malfunction is detected in the variable vent hole squib circuit.
| DTC Code |
Detection Condition |
Trouble Area |
| B181A/7A |
One of the following conditions is met:
- The center airbag sensor detects a line short circuit signal 5 times in the variable vent hole squib circuit during the primary check.
- A variable vent hole squib malfunction.
- A center airbag sensor malfunction.
|
- No. 2 instrument panel wire
- Instrument panel wire
- No. 2 floor wire
- Front passenger airbag assembly (Variable vent hole squib)
- Center airbag sensor assembly
|
| B181B/7A |
One of the following conditions is met:
- The center airbag sensor detects an open circuit signal in the variable vent hole squib circuit for 2 seconds.
- A variable vent hole squib malfunction.
- A center airbag sensor malfunction.
|
- No. 2 instrument panel wire
- Instrument panel wire
- No. 2 floor wire
- Front passenger airbag assembly (Variable vent hole squib)
- Center airbag sensor assembly
|
| B181C/7A |
One of the following conditions is met:
- The center airbag sensor detects a short circuit to ground signal in the variable vent hole squib circuit for 0.5 seconds.
- A variable vent hole squib malfunction.
- A center airbag sensor malfunction.
|
- No. 2 instrument panel wire
- Instrument panel wire
- No. 2 floor wire
- Front passenger airbag assembly (Variable vent hole squib)
- Center airbag sensor assembly
|
| B181D/7A |
One of the following conditions is met:
- The center airbag sensor detects a short circuit to B+ signal in the variable vent hole squib circuit for 0.5 seconds.
- A variable vent hole squib malfunction.
- A center airbag sensor malfunction.
|
- No. 2 instrument panel wire
- Instrument panel wire
- No. 2 floor wire
- Front passenger airbag assembly (Variable vent hole squib)
- Center airbag sensor assembly
|