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

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Service Procedures Using MUT II

Service operations can be performed most effectively using the following MUT-II functions:

- Reading of diagnosis codes
Using the diagnosis code function, it is possible to read diagnosis codes stored in the control unit.

- Erasure of diagnosis codes
By selecting the diagnosis code erasure function from the special function menu, it is possible to erase diagnosis codes stored in the control unit.

- Indication of service data
When required for service operations, data in the control unit's random-access memory can be displayed as numeric values or graphs.


Service data