Porsche 928 Workshop Manual page 52

928
Maintenance, Self-diagnosis
03
Connection In the 928 S 4
The diagnosis socket In the 928 S 4 is located
on the retaining plate of the EZK control unit.
Diagnosis socket in the car
Pin 1 = Terminal 15
Pin 2 = Terminal 31
Pin 5 = Terminal 30
Pin 9 = Hall generator
ignition off
After connecting the tester, the following dis-
play must appear.
If this is not the case, check the tester ter-
minals and/or the power supply to the diag-
nosis socket in the car by referring to the cir-
cuk diagram.
a
Connectlon in the 928 S 4
03 - 3
Printed In Germany - XX, 1988