B1100: Airbag Sensor Assembly Malfunction
Short answer: B1100 means “Airbag Sensor Assembly Malfunction”. Below is what it means on each of the 2 cars we cover, with a link to the full page for each car.
B1100 on each car
| Car | Meaning on this car | Confidence |
|---|---|---|
| Toyota Vitz (1st gen) | Airbag sensor assembly malfunction | medium |
| Toyota Corolla (9th gen, E120) | Airbag Sensor Assembly Malfunction (B1100/31) | high |
Symptoms
- S Airbag sensor assembly malfunction
Likely causes
- Airbag sensor assembly
What to check, in order
- Workshop check order (RM821E): CHECK VOLTAGE AT IG1 AND IG2 OF AIRBAG SENSOR ASSEMBLY -> CHECK AIR BAG SENSOR ASSYCENTER
Causes and checks above are the general meaning. The exact test steps and values differ by car: open your car’s page.