Porsche 928 Workshop Manual page 68

928
Maintenance, Self-diagnosis
03
a
Error code 1113
This error code indicates a fault in the area of
the full load contact.
Possible faults
Short-circuit to ground
Switch stuck
Testing the full load contact
ignition off
Disconnect the plugs from the EZK control
unit and from the LH control unit.
Connect an ohmmeter between terminal 3 and
terminal 5 on the LH control unit plug.
Display:
Throttle valve closed: i?=COn
Throttle valve open:
R <IOn
The switching point must be just before full
load.
in the event of an error, check with reference
to the circuft diagram.
Error code 1114
This error code indicates a fault in the area of
the engine temperature sensor.
Possible faults
Short-circuit to ground
Short-circuit to positive
Break in the circuit
Defective engine temperature sensor
Testing the engine temperature sensor
Ignition off
Disconnect plugs from the EZK control unit
and the LH control unit.
Connect an ohmmeter between terminal
13 and terminal 5 on the LH control unit plug.
a
Troubleshooting 03 - 21
Printed in Germany-XX, 1988