Connection in the 928 S

Diagnosis socket in the car

The diagnosis socket in the 928 S 4 is located on the retaining plate of the EZK control unit.

Pin 1 = Terminal 15

Porsche 964 Windshield

Ignition off

After connecting the tester, the following display must appear.


Pin 2 = Terminal 31

Pin 5 = Terminal 30

Pin 9 = Hail generator

Fuel Line Repair 911 Porcshe


If this ts not the case, check the tester terminals and/or the power supply to the diagnosis socket in the car by referring to the circuit diagram.

Tester cable

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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