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.
2007 Volkswagen Passat 3.6, 4D SedanFACTORY OEM SERVICE PROCEDURE
Climatronic Control Module Connector End View (J255, T16i)
| Cavity | Function |
|---|---|
| 1 | 5 volt sensor, output |
| 2 | Left temperature door potentiometer/actuator, sensor input (5V=warm) |
| 3 | Right temperature door potentiometer/actuator, sensor input (5v = warm) |
| 4 | Defroster door motor position sensor, sensor input (5v = defrost) |
| 5 | Front air distribution door motor position sensor, sensor input (5v = instrument panel) |
| 6 | -- |
| 7 | Signal, fresh air/recirculating air/back pressure door motor position sensor |
| 8 | Signal, left footwell vent temperature sensor |
| 9 | Signal, right footwell vent temperature sensor |
| 10 | -- |
| 11 | Signal, Evaporator temperature sensor |
| 12 | -- |
| 13 | -- |
| 14 | Signal ground |
| 15 | -- |
| 16 | -- |
Factory Service Tools
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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.
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