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 MANUALSVOLKSWAGEN2012GOLF R 4MOTION (5K1) L4-2.0L TURBO (CRZA)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYDIAGRAMSPIN ASSIGNMENT, CLIMATIC CONTROL UNIT, THROUGH MAY 27, 2011
2012 Volkswagen Golf R 4Motion (5K1) L4-2.0L Turbo (CRZA)
Pin Assignment, Climatic Control Unit, Through May 27, 2011
2012 Volkswagen Golf R 4Motion (5K1) L4-2.0L Turbo (CRZA)SECTION Pin Assignment, Climatic Control Unit, Through May 27, 2011
Pin Assignment, Climatic Control Unit, through May 27, 2011
Special tools, testers and auxiliary items required
• Test Box (V.A.G 1598/42)
• Test Adapter (V.A.G 1598/47)
• Template (1598/47-2)
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 Seat heating (option)
15 Terminal 75 seat heater (optional)
16 A/C Compressor Regulator Valve (N280)
18 Center outlet temperature sensor (G191) ground
19 Terminal 30A
20 Terminal 31
16-pin Harness Connector, in Wiring Diagram T16e
1 Temperature regulator door motor (V68) , warm
2 Evaporator temperature sensor (G308) or Evaporator vent temperature sensor (G263)
3 Air distribution door motor position sensor (G645)
4 Footwell outlet temperature sensor (G192)
5 Temperature regulator door motor position sensor (G92)
7 + 5 V for Temperature regulator door motor position sensor (G92)
8 Ground for the Front air distribution door motor position sensor (G92) , the Footwell vent temperature sensor (G192) ; the air distribution door motor position sensor (G645) and the evaporator temperature sensor (G308) or evaporator vent temperature sensor (G263)
9 Recirculation door motor (V113) , open
10 Recirculation door motor (V113) , close
11 Temperature regulator door motor (V68) , cold
12 Air distribution door motor (V428) , open
13 Air distribution door motor (V428) , closed
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
RENDER: 1.0x
NO RELATED
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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.