B1100 · blink 31 – Airbag Sensor Assembly Malfunction

System: SRS
Dashboard light: SRS airbag warning
Check-engine blink code: 31
Applies to: Cars with airbags (SRS)
Description: Airbag Sensor Assembly Malfunction
Detection / symptoms: Detection: S Airbag sensor assembly malfunction
Possible causes: Airbag sensor assembly
What to check: Workshop check order (RM821E): CHECK VOLTAGE AT IG1 AND IG2 OF AIRBAG SENSOR ASSEMBLY -> CHECK AIR BAG SENSOR ASSYCENTER
Confidence: high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights