Multi-Pin Connectors On Back Of Climatic Heating And A/C Control, Pin Assignment

Special tools and workshop equipment required

Test Box V.A.G 1598/42
Adapter Cable V.A.G 1598/47
Template 1598/47-2

20-Pin Harness Connector, In Wiring Diagram T20C

Fig 1: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-

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3 - Center Outlet Temperature Sensor -G191-

5 - High Pressure Sensor -G65-

7 - CAN Low

8 - CAN High

12 - Right seat heater (optional)

13 - Left seat heater (optional)

15 - Terminal 75 seat heater (optional)

16 - A/C Compressor Regulator Valve -N280-

19 - Terminal 30A

20 - Terminal 31

16-Pin Harness Connector, In Wiring Diagram T16E

Fig 2: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-

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1 -Temperature Regulator Door Motor -V68-, warm

2 - Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263-

4 - Footwell Outlet Temperature Sensor -G192-

5 - Temperature Regulator Door Motor Position Sensor -G92-

7 - + 5 V for Temperature Regulator Door Motor Position Sensor -G92-

8 - Ground for Temperature Regulator Door Motor Position Sensor -G92-, Center Outlet Temperature Sensor -G191-, Footwell Outlet Temperature Sensor -G192- and Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263-

9 - Recirculation Door Motor -V113-, open

10 - Recirculation Door Motor -V113-, close

11 - Temperature Regulator Door Motor -V68-, cold

16 - + 5 V

5-Pin Harness Connector, In Wiring Diagram T5

Fig 3: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 - 3rd blower speed

2 - 2nd blower speed

3 - 1st blower speed

4 - 4th blower speed

5 - Terminal X