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.
Climatic Control Module Multi-Pin Harness Connectors
Special tools and workshop equipment required
- Test Adapter V.A.G 1598/47
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.