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

Access/Start Authorization






System Overview






- Transmission Control Module (J217)

- Engine Control Module (J623)

- Engine Control Module 2 (J624)

- Data Bus On Board Diagnostic Interface (J533)

- Comfort System Central Control Module (J393)

- Access/Start Authorization Switch (E415)

- Electronic Steering Column Lock Control Module (J764)

1 - Data Bus Drive

2 - Data Bus Comfort

3 - LIN-Bus

4 - Data Bus-Diagnosis

5 - Network Connection

6 - GeKo Database

Engine control module 2 (J624) and the transmission control module (J217) are installed only as optional equipment.