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

Control Module Inputs, Bus







Control Unit Inputs, Bus

- Maximum permitted torque, bus from TCM (502)
- Sport mode selected, bus from TCM (502)
- Selector lever position, automatic gearbox, bus from TCM (502)
- Vehicle speed, left rear wheel, bus from MIU (540)
- Reverse gear selected, manual gearbox, bus from DICE (628)
- A/C request, bus from DICE (628)
- A/C pressure, high-pressure side, bus from DICE (628)
- Power consumption, bus from DICE (628)
- Brake lights, bus from TWICE (632)
- Immobilizer, bus from TWICE (632)
- Ignition +50 circuit, bus from DICE (628)
- Diagnostics, bus from DICE (628)/diagnostic tool