Heating and Ventilation Controls, Multi-Pin Connector Assignments

Heating And Ventilation Controls, Multi-pin Connector Assignments

Special tools, testers and auxiliary items required







- Connector test set VAG 1594 C


16-pin electrical connection is not assigned.







5-pin electrical connection -T5-
1. 3rd blower speed
2. 2nd blower speed
3. 1st blower speed
4. 4th blower speed
5. Terminal X







20-pin electrical connection -T20c-
3. Fresh/Recirculating Air Door Motor V154
6. Fresh/Recirculating Air Door Motor V154
7. Auxiliary Air Heater Control Module J604
8. Rear window
11. Drivers Heated Seat Control Module J131
15. Front Passengers Heated Seat Control Module J132
16. Terminal 75 seat heater (optional)
18. Terminal 30
19. Terminal 15
20. Ground (GND) - Terminal 31