Porsche 1989 944 S2, Workshop Manual

Page: 27 / 167

944 Maintenance, Self-diagnosis
03
System adaption
System adaption can be carried out with the
tester. That is to say. the electronic idle control
in the DME control unit is adapted to the
actual air throughput and to the current
condition of the engine.
Note:
For system adaption, it is necessary for the
engine to be at operating temperature.
Ignition off
Press the yellow key the number af times
required for the function symbol to appear
on the function display.
Display:
Press the green key until the clear symbol
appears on the function display. Start the
engine within 8 seconds. Allow the engine to
idle until the system adaption code appears.
Display:
The engine must now idle for at least 30
seconds.
System adaption is then completed.
Ignition off
System adaption
Printed in Germany - XVI, 1987
03 - 15