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

Checking Memory Button Function




Checking Memory Button Function







- Ignition off.

Read off status for memory button 1 and MEM.
Depress programming button MEM and hold it down at the same time as memory button 1 is depressed.

The status for MEM and memory button 1 should change from OFF to ON when the relevant button is depressed.

OK - Checking Memory Function 1

Not OK - Connecting Up the Test Box