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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Display Groups 0 to 9 (Basic Functions), Evaluation



Measuring Value Blocks, Display Groups 0 To 9 (Basic Function), Evaluating

Display group 1, Basic-Function


Display Group 1:






Significance of 6 digit number block







Evaluating display group 1, display zone 1 - Engine speed (idling speed)


Evaluating Display Group 1, Display Zone 1:






Display group 2 -Basic functions- Mass air flow sensor


Display Group 2:






Evaluating display group 2, display zone 3 - Injection period


Evaluating Display Group 2, Display Zone 3:






Evaluating display group 2, display zone 4 - Air mass drawn in


Evaluating Display Group 2, Display Zone 4:






Display group 3 -Basic function- Mass air flow sensor


Display Group 3:






Display group 4 -Basic functions-


Display Group 4:






Evaluating display group 4, display zone 2 - Control module voltage supply


Evaluating Display Group 4, Zone 2:






Evaluating display group 4, display zone 3 - Coolant temperature


Evaluating Display Group 4, Display Zone 3:






Evaluating display group 4, display zone 4 - Intake air temperature


Evaluating Display Group 4, Zone 4:






Display group 5 -Basic functions-


Display Group 5:






Display group 6 -Basic function-


Display Group 6: