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

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

Special tools, testers and auxiliary items required

• Adapter Cable (V.A.G 1598/47)

• Template (V.A.G 1598/47-2)

• Test box (Basic Unit) (V.A.G 1598/14)






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