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Climatronic Control Module -J255- PIN ASSIGNMENT, CLIMATIC, PASSAT FROM MY 2006

Special tools and workshop equipment required 

20-pin connector, T20b

Fig 1: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-
GWWN80-10009Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

3 -

Center Vent Temperature Sensor -G191-

5 -

High Pressure Sensor -G65-

7 -

CAN bus low

8 -

CAN bus high

12 -

Right Seat Heating (optional)

13 -

Left Seat Heating (optional)

15 -

Seat Heating Terminal 75 (optional)

16 -

A/C Compressor Regulator Valve -N280-

18 -

Center Vent Temperature Sensor -G191-

19 -

Terminal 30A

20 -

Terminal 31

16-pin harness connector, T16j

Fig 2: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-
GWWN80-10009Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 -

Temperature Regulator Door Motor - V68-, warm

2 -

Evaporator Temperature Sensor -G308-

4 -

Footwell Vent Temperature Sensor -G192-

5 -

Left Temperature Door Potentiometer/Actuator -G220-

7 -

+ 5 V for Left Temperature Regulator Door Motor Position Sensor -G220-

8 -

Ground for Footwell Vent Temperature Sensor -G192-, Evaporator Temperature Sensor -G308- and Left Temperature Door Potentiometer/Actuator -G220-

9 -

Recirculation Door Motor - V113-, open

10 -

Recirculation Door Motor - V113-, closed

11 -

Temperature Regulator Door Motor - V68-, cold

5-pin harness connector T5r

Fig 3: 5-Pin Electrical Connection -T5-, 16-Pin Electrical Connection, In Wiring Diagram T16E And 20-Pin Electrical Connection -T20C-
GWWN80-10009Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 -

3. Blower speed

2 -

2. Blower speed

3 -

1. Blower speed

4 -

4. Blower speed

5 -

Terminal X