· Since ignition ON,
there was at least one start with correct synchronization
· Engine speed >
520 rpm
· Incorrect engine
speed signal recognized (loose contact, missing tooth, gap wrongly
positioned)
If trouble code 19 was recognized, no replacement value is
used for the engine speed signal.
For the mixture and requirement adaption, current values
are used and neutral values are used for idle control and characteristic
curve adaption.
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