Porsche 1989 944 S2, Workshop Manual

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944 Maintenance, Self-diagnosis
03
Starting error diagnosis
Condition:
Engine off
Ignition on
Display:
Press the green key until the clear symbol
appears on the function display.
Display:
Clear symbol
The diagnosis sequence for the DME control
unit then takes place.
If an error is displayed - take the note of the
error (e.g. 1211).
Display:
The error is displayed until the green key is
again pressed on the tester. The next
error code is then displayed. if applicable.
This must be repeated until 1000 appears on
the display.
If no error has occurred. the following display
appears.
Display:
Starting error diagnosis
Printed in Germany - XVI, 1987
03 - 5