Porsche 928 Workshop Manual page 75

920
Maintenance, Self-diagnosis
03
Trouble-shooting, EZK control unit
Error code 2112
Diagnosis usin the tester can only indicate
the error oath. B ut not a defective com-
This error code indicates a fault in the area of
the idle contact.
ponent. '
Possible faults:
Short-circuit to ground
Switch stuck
Note:
Testing the idle contact
Ignition off
The entire error memory must be read out
before trouble-shooting.
Disconnect the plugs from the EZK control unit
and the LH control unit.
Connect an ohmmeter between terminal
8 and terminal 18 of the EZK control unit plug.
l
Trouble-shooting, EZK control unit
03 - 29
Printed in Germany - XX, 1999