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

Test Information



Test Information

Press the continue arrow to advance to the next test schedule. The Test information screen appears automatically.

The test information screen automatically displays documents including:
- Wiring Schematics,
- Functional descriptions,
- Connector locations, etc.

The Test Dialog box displays test points and nominal values automatically. This screens layout was first seen with the E38 I Bus test. This screen format is used throughout the diagnostic software for all systems.