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

Activating Components/Functions





- Activate Volvo Scan Tool (ST) components by pressing YES/NO to start or stop activation.
- Use a stethoscope to listen for solenoid slicks

NOTE: ON cars with OBD II: No change/symptoms are noticed in the engine, transmission or combined instrument panel when function 7 is activated.

- To check these functions carry out the following before activating:

- Ignition OFF.
- Connect the Test Box.
- Connect a voltmeter to the terminals as above. Check the voltmeter reading when function is activated.

NOTE: *) indicates only certain markets. USA and Canada.