Operation CHARM: Car repair manuals for everyone.

Climatic Heating and A/C Controls Multi-Pin Connector Assignments






Climatic Heating and A/C Controls Multi-Pin Connector Assignments

Special tools, testers and auxiliary items required

adapter cable (VAG 1598/47)

20-pin electrical connection, 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 - where applicable)
13 Left seat heater (optional - where applicable)
15 Terminal 75 seat heater (optional)
16 A/C Compressor Regulator Valve (N280)
19 Positive - B+ (Terminal 30A)
20 Ground (GND) - Terminal 31

16-pin electrical connection, in wiring diagram T16e





1 Temperature Regulator Door Motor (V68), warm
2 Evaporator Vent Temperature Sensor (G263)
4 Footwell Outlet Temperature Sensor (G192)
5 Temperature Regulator Door Motor Position Sensor (G92)
7 + 5 V for Temperature Regulator Door Motor Position Sensor (G92)
8 Ground (GND) for Temperature Regulator Door Motor Position Sensor (G92), Center Outlet Temperature Sensor (G191), Footwell Outlet Temperature Sensor (G192) and Evaporator Vent Temperature Sensor (G263)
9 Recirculation Door Motor (V113), open
10 Recirculation Door Motor (V113), close
11 Temperature Regulator Door Motor (V68), cold

5-pin electrical connection, T5





1 3rd blower speed
2 2nd blower speed
3 1st blower speed
4 4th blower speed
5 Terminal X