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

SDM Removal and Installation

NOTE:

The SDM may not function properly if you do not handle it carefully.

- Do not connect any type of tester to the SDM.





- Never try to repair or disassemble the SDM.
- Replace the SDM if it has been dropped.

If any faulty condition is found in the following checks, replace them with new one.

- Air bag is deployed.
- Check SDM for dents, cracks or deformation.
- Check SDM connector for damage, cracks or lock mechanism.
- Check SDM terminal for bend, corrosion or rust.
- DTC B1013, B1021, B1024, B1025, B1026, B1028, B1029, B1220 or B1221 is stored in SDM.