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

SDM Inspection

SDM Inspection

Reference: SDM Removal and Installation:Advanced Air Bag

WARNING:
During service procedures, be very careful when handling a Sensing and Diagnostic Module (SDM).
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 SDM.
- If SDM has been dropped, it should be replaced.

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