FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Pin Assignment, Electrical Manual Climate Control Unit, From May 29, 2011







Pin Assignment, Electrical Manual Climate Control Unit, from May 29, 2011

Special tools, testers and auxiliary items required

Basic Test Box (V.A.G 1598/14)

Test Adapter (V.A.G 1598/47)

Template (V.A.G 1598/47-2)






5-pin Connector - A - in Wiring Diagram T5

1 3rd Blower speed
2 2nd Blower speed
3 1. Blower speed
4 4th Blower speed
5 Terminal X and depending on the vehicle equipment level Auxiliary Heater Operation Relay (J485)

16-pin Connector - B - in Wiring Diagram T16e

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 +5V
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 Connector - C - in Wiring Diagram T20c

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