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B0080 B0xxx · ボディ (B) 重大度中
Passenger Presence / Occupant Classification System
The system that decides whether an adult is sitting in the passenger seat has failed. The airbag is typically suppressed as a precaution.
重大度の目安： 中 — 走行性または排出ガスに影響。今週中に点検を予約してください
確認できる症状
- Passenger airbag off lamp stuck on
- Airbag warning lamp
- Warning message on the cluster
主な原因
可能性の高い順に並んでいます。上から順に確認してください。
- 1 Failed occupant classification sensor mat
- 2 Calibration lost after seat removal
- 3 Damaged wiring under the seat
- 4 Control module fault
点検・修理の手順
費用が安く侵襲の小さい項目から — これらのコードの大半は部品の問題ではありません。
- ✓ Check whether the seat was recently removed — recalibration is often required afterwards.
- ✓ Read the classification ECU for sensor status and calibration state.
- ✓ Inspect the wiring and connectors under the seat.
- ✓ Run the manufacturer's re-zero procedure with the seat empty.
修理の選択肢
- Recalibrate the occupant classification system
- Repair the wiring
- Replace the sensor mat (seat cover removal required)
B0080 — よくあるご質問
Why is the passenger airbag now disabled? +
It is a deliberate failsafe: if the system cannot tell whether someone is there, it suppresses deployment.
Can a heavy bag on the seat cause it? +
It can confuse classification temporarily, but a stored code means there is a real fault or a lost calibration.