Multi-Pin Connector Assignment On Rear Of Front A/C Display Control Head

Special tools and workshop equipment required

Fig 1: Identifying Multi-Pin Connector Assignment On Rear Of Front A/C Display Control Head

Courtesy of VOLKSWAGEN UNITED STATES, INC.

5-Pin Harness Connector -A-, T5

1 - 3rd blower speed

2 - 2nd blower speed

3 - 1st Blower speed

4 - 4th blower speed

5 - Terminal X and depending on the vehicle equipment level Auxiliary Heater Operation Relay -J485-

16-Pin Harness Connector -B-, T16

1 - Temperature door motor -V68- - set to warm

2 - Evaporator temperature sensor -G308-

3 - Air distribution door motor position sensor -G645-

5 - Temperature regulator door motor position sensor -G92-

7 - +5 volt

8 - Ground signal

9 - Recirculation door motor -V113- set to open

10 - Recirculation door motor -V113- set to closed

11 - Temperature door motor -V68- set to cold

12 - Air distribution door motor -V428-, set to position 1

13 - Air distribution door motor -V428-, set to position 2

20-Pin Harness Connector -C-, T20a

5 - High Pressure Sensor -G65-

7 - Low speed CAN Bus

8 - High speed CAN Bus

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