Info

Display: approx. 5 V Note

If no voltage Is displayed, check power supply according to wiring diagram.

5. Connect voltmeter to term. 2 (negative) and term. 3 (positive).

Display, depending on potentiometer setting: approx. 2 - 3 V

6. Push tip switch into "on" position and keep it In this position.

Display: approx. 5 V

7. Push tip switch into "off' position and keep it in this position.

Display: approx. 0 V

8. Turn knurled wheel of potentiometer all the way up.

Display: approx. 3 V

9. Turn knurled wheel of potentiometer all the way down. The voltage must then drop to approx. 2 V.

10. Remove seat and connect to Special Tool 9269.

11. Switch on seat heating and set to maximum heating output.

12. Measure voltage at 2-pin connector marked with digit 3.

Electrique Wiring Porsche 928 1979
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