Multi-Pin Connector Assignment on Rear of Heater and A/C Controls, Through 18 May 2008

Multi-Pin Connector Assignment on Rear of Heater and A/C Controls, Through 18 May 2008

Special tools, testers and auxiliary items required

• Test Box (V.A.G 1598/42)

• Adapter Cable (V.A.G 1598/47)

• Template (V.A.G 1598/47-2)

20-Pin Harness Connector, T20c






3 Center Outlet Temperature Sensor (G191)
5 High Pressure Sensor (G65)
7 CAN bus low
8 CAN bus high
12 Right seat heater (optional)
13 Left seat heater (optional)
15 Terminal 75 seat heater (optional)
16 A/C Compressor Regulator Valve (N280)
18 Center Outlet Temperature Sensor (G191)
19 Terminal 30A
20 Terminal 31

16-Pin Harness Connector, T16e






1 Temperature Regulator Door Motor (V68) , warm
2 Evaporator Vent Temperature Sensor (G263) or evaporator temperature sensor (G308)
4 Footwell Outlet Temperature Sensor (G192)
5 Left Temperature Door Potentiometer/Actuator (G220)
7 + 5 volt for Left Temperature Regulator Door Motor Position Sensor (G220)
8 Ground for Footwell Outlet Temperature Sensor (G192) , Left Temperature Door Potentiometer/Actuator (G220) and Evaporator Vent Temperature Sensor (G263) or Evaporator Temperature Sensor (G308)
9 Recirculation Door Motor (V113) , open
10 Recirculation Door Motor (V113) , close
11 Temperature Regulator Door Motor (V68) , cold

5-Pin Harness Connector, 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)