Service & Repair Manual

24-28
Notes:
Engine speed in display field 1 (actual engine
speed) is the current engine speed.
Engine speed in display field 2 (specified
engine speed) is a theoretical engine speed
calculated by the ECM.
At idle, the ECM always attempts to adapt the
engine speed (actual) to the specified engine
speed (specified).
This means that the engine speed (actual) must
always approximately match the engine speed
(specified) at idle.
Display fields 3 and 4 provide information, but
are not relevant for checking idle speed.
If specified value is obtained:
-
Press button.
Rapid data transfer HELP
Select function XX
Indicated on display (function selection):
If specified value is not obtained:
- Check DTC memory again Page 01-15 .
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