Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Manual Control System Module Multi-Pin Harness Connectors
Special tools and workshop equipment requiredΒ
- Test Box Kit - Adapter 47 VAG1598/47
20-pin harness connector, in wiring diagram T20c
3 -
Center Outlet Temperature Sensor -G191-
5 -
High Pressure Sensor -G65-
7 -
CAN Low
8 -
CAN High
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
16-pin harness connector, in wiring diagram T16e
1 -
Temperature Regulator Door Motor -V68-, warm
2 -
Evaporator Vent Temperature Sensor -G263-
4 -
Footwell Vent Temperature Sensor -G192-
5 -
Front Air Distribution Door Motor Position Sensor -G92-
7 -
+ 5 V for Temperature Regulator Door Motor Position Sensor -G92-
8 -
Ground for Front Air Distribution Door Motor Position Sensor -G92-, Center Outlet Temperature Sensor -G191-, Footwell Vent Temperature Sensor -G192- and Evaporator Vent Temperature Sensor -G263-
9 -
Air Recirculation Door Motor -V113-, open
10 -
Air Recirculation Door Motor -V113-, close
11 -
Temperature Regulator Door Motor -V68-, cold
5-pin harness connector, in wiring diagram T5
1 -
3rd blower speed
2 -
2nd blower speed
3 -
1st blower speed
4 -
4th blower speed
5 -
Terminal X
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.