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

Heating And A/C Controls, Multi-Pin Connector Assignments

Special Tools, Testers And Auxiliary Items Required







- Test Box 105 Pin VAG1598/42
- Test Adapter VAG1598/47
- Template 1598/47-2







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 Flap Motor V68, warm
2 Evaporator Temperature Sensor G308 or Evaporator Vent Temperature Sensor G263
4 Footwell Outlet Temperature Sensor G192
5 Temperature Regulator Flap Motor Position Sensor G92
7 + 5 V for Temperature Regulator Flap Motor Position Sensor G92
8 Ground (GND) for Temperature Regulator Flap Motor Position Sensor G92, Center Outlet Temperature Sensor G191, Footwell Outlet Temperature Sensor G192 and Evaporator Temperature Sensor G308 or Evaporator Vent Temperature Sensor G263
9 Recirculation Flap Motor V113, open
10 Recirculation Flap Motor V113, close
11 Temperature Regulator Flap 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