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 MANUALSVOLKSWAGEN2010GOLF (5K1) L5-2.5L (CBTA)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYDESCRIPTION AND OPERATIONA/C CONTROL UNIT PIN ASSIGNMENTPIN ASSIGNMENT, ELECTRICAL MANUAL CLIMATE CONTROL UNIT, FROM MAY 29, 2011
2010 Volkswagen Golf (5K1) L5-2.5L (CBTA)
Pin Assignment, Electrical Manual Climate Control Unit, From May 29, 2011
2010 Volkswagen Golf (5K1) L5-2.5L (CBTA)SECTION Pin Assignment, Electrical Manual Climate Control Unit, From May 29, 2011
Pin Assignment, Electrical Manual Climate Control Unit, from May 29, 2011
Special tools, testers and auxiliary items required
• Basic Test Box (V.A.G 1598/14)
• Test Adapter (V.A.G 1598/47)
• Template (V.A.G 1598/47-2)
5-pin Connector - A - in Wiring Diagram T5
1 3rd Blower speed
2 2nd Blower speed
3 1. Blower speed
4 4th Blower speed
5 Terminal X and depending on the vehicle equipment level Auxiliary Heater Operation Relay (J485)
16-pin Connector - B - in Wiring Diagram T16e
1 Temperature door motor (V68) - set to warm
2 Evaporator temperature sensor (G308)
3 Air distribution door motor position sensor (G645)
5 Temperature regulator door motor position sensor (G92)
7 +5V
8 Ground signal
9 Recirculation door motor (V113) set to open
10 Recirculation door motor (V113) set to closed
11 Temperature door motor (V68) - set to cold
12 Air distribution door motor (V428) , set to position 1
13 Air distribution door motor (V428) , set to position 2
20-pin Connector - C - in Wiring Diagram T20c
5 High pressure sensor (G65)
7 Low speed CAN Bus
8 High speed CAN Bus
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
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.