Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Seat Occupant Classification Module - Air Bag: Testing and Inspection

OCM With Sensor Mat Inspection

CAUTION: Do not remove OCM with sensor mat from front passenger seat cushion assembly. When replacing OCM with sensor mat, be sure to replace front passenger seat cushion assembly.

If any faulty condition is found in the following checks, replace them with new one.
- Check OCM connector for damage, cracks and lock mechanism.
- Check OCM terminal for bend, corrosion and rust.
- Check that surface of front passenger seat is free from hard bend and tear.