Porsche 928 Workshop Manual page 83

928
Maintenance, Self-diagnosis
03
a
Resetting the error memory
The error memories of the LH control unit and
the EZK control unit must each be reset in-
dfviiually.
Once error diagnosis has been terminated for
the LH or EZK control units, this is indicated
by error code 1000 for the LH control unft or
2000 for the EZK control unft.
It is only possible to reset the error memories
when this error code has appeared. Proceed
as follows:
Press the yellow key repeatedly until the func-
tion symbol (see display) appears on the func-
tion display.
Display:
Press the green key until the clear signal ap-
pears on the function display.
Display:
0
The error memory has been reset when the
LED goes out and the function display chan-
ges to 0000.
Display:
I
Function symbol
Note:
A test drive must be made after resetting the
error memory
Observe the following conditions for this:
1. The engine must be at operating tempera-
ture, i.e. at least 176°F.
Resetting the error memory
Printed in Germany -XX, 1988
03 - 39