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.
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HOMESERVICE MANUALSVOLKSWAGEN2012CC 4MOTION (357) V6-3.6L (CNNA)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGRELAYS AND MODULES - HVACCONTROL MODULE HVACDIAGRAMSCLIMATRONIC CONTROL MODULE J255 PIN ASSIGNMENTCLIMATRONIC CONTROL MODULE J255 PIN ASSIGNMENT, CLIMATIC PASSAT FROM MY 06
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)
Climatronic Control Module J255 Pin Assignment, Climatic Passat from MY 06
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)SECTION Climatronic Control Module J255 Pin Assignment, Climatic Passat from MY 06
Climatronic Control Module J255 Pin Assignment, Climatic Passat from MY 06
Special tools, testers and auxiliary items required
• Test Box (V.A.G 1598/42)
• Adapter Cable (V.A.G 1598/47)
• Template (V.A.G 1598/47-2)
20-pin Connector, T20b
3 Center Outlet Temperature Sensor (G191)
5 High Pressure Sensor (G65)
7 CAN bus Low
8 CAN bus High
12 Right seat heater (optional)
13 Left seat heater (optional)
15 Terminal 75 seat heater (optional)
16 A/C Compressor Regulator Valve (N280)
18 Center Outlet Temperature Sensor (G191)
19 Terminal 30A
20 Terminal 31
16-pin Harness Connector, T16j
1 Temperature Regulator Door Motor (V68) , warm
2 Evaporator Temperature Sensor (G308)
4 Footwell Outlet Temperature Sensor (G192)
5 Left Temperature Door Potentiometer/Actuator (G220)
7 + 5 V for Left Temperature Regulator Door Motor Position Sensor (G220)
8 Ground for the Footwell Vent Temperature Sensor (G192) , the Evaporator Temperature Sensor (G308) and the Left Temperature Door Potentiometer/Actuator (G220)
9 Recirculation Door Motor (V113) , open
10 Recirculation Door Motor (V113) , close
11 Temperature Regulator Door Motor (V68) , cold
5-pin harness connector T5r
1 3rd Blower Speed
2 2nd Blower Speed
3 1st Blower speed
4 4th Blower Speed
5 Terminal X
RENDER: 1.0x
NO RELATED
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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.