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)

Or, hide this message: temporarily or permanently

Air Bag Control Module: Testing and Inspection

Sensing And Diagnostic Module (SDM):






CAUTION:
- Do not connect a tester whatever type it may be.
- Never repair or disassemble SDM.
- If SDM was dropped from a height of 91.4 cm (3 ft) or more, it should be replaced.

Sensing And Diagnostic Module (SDM):




- Check SDM and SDM bracket for dents, cracks or deformation.
- Check SDM connector for damage cracks or lock mechanism.
- Check SDM terminal for bend, corrosion or rust.
If any faulty condition is found in above checks, replace.