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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OCM Inspection

OCM Inspection

Reference: OCM Removal and Installation:Advanced Air Bag

WARNING: As Occupant Classification Module (OCM) consists of precision parts, be careful not to expose it to excessive shock.
Be sure to read Precautions on Service and Diagnosis of Air Bag System:Advanced Air Bag before starting to work and observe every precaution during work. Neglecting them may result in personal injury or inactivation of the air bag system when necessary.


CAUTION:
- Do not connect a tester whatever type it may be.
- Never repair or disassemble OCM.

If any faulty condition is found in the following checks, replace.
- Check OCM connector for damage, cracks or lock mechanism.
- Check OCM terminal for bend, corrosion or rust.