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

Display Groups 50-69 (Speed / RPM Regulation)




Display group 50 -RPM regulation- operating conditions


Read Measuring Value Block 50:






Display group 54 -RPM regulation-


Read Measuring Value Block 54:






Display group 55 -RPM regulation- idle stabilization


Read Measuring Value Block 55:






Explanation of 5-digit indication







Display group 56 -RPM regulation-idle stabilization


Read Measuring Value Block 56:






Display group 60 -RPM regulation- adaptation e-gas system


Read Measuring Value Block 60:






Display group 61 -RPM regulation- e-gas system


Read Measuring Value Block 61:






Display group 62 -RPM regulation- e-gas system


Read Measuring Value Block 62:






Display group 63 -RPM regulation- kick down adaptation


Read Measuring Value Block 63:






Vehicles with cruise control


Read Measuring Value Block 66:






Explanation of digits in 8-digit indication, display field 2, switch for brakes and cruise control.







Explanation of digits in 8-digit indication, display field 4, operating switch for cruise control.