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 MANUALSAUDI2008A3 BASE, 2.0 E, AUTOMATIC DCTREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSAIR CONDITIONING87 AIR CONDITIONINGDESCRIPTION AND OPERATIONA/C SYSTEM CONTROL AND REGULATION COMPONENTS INSIDE PASSENGER COMPARTMENTCOMPONENTS INSIDE PASSENGER COMPARTMENT, GROUP 2
2008 Audi A3 Base, 2.0 E, Automatic DCT
Components Inside Passenger Compartment, Group 2
2008 Audi A3 Base, 2.0 E, Automatic DCTSECTION Components Inside Passenger Compartment, Group 2
- Right Front Seat Temperature Sensor -G345- and Right Front Heated Seat -Z46-
- Seat heater is not installed in all vehicles (optional equipment).
- Vehicles with automatically regulated A/C system: activation of seat heater is displayed in measured value block of Climatronic Control Module -J255-, check using Vehicle Diagnosis, Testing and Information System VAS 5051 in "Guided Fault Finding" function.
- Vehicles with manually regulated A/C system: function and activation of seat heater, check using Vehicle Diagnosis, Testing and Information System VAS 5051 in "Guided Fault Finding" function.
- Seat heating, servicing, refer to Removal and Installation
.NOTE:
From MY 2009, as a running change, the Climatronic control module, (or control modules for seat heating) is being installed, whereby the specified temperature is set to a lower characteristic line. Refer to Vehicle Diagnosis, Testing and Information System VAS 5051 under "Guided Fault Finding".
- Right Footwell Vent
- Removing and installing vent, refer to Removal and Installation .
- Right Vent Temperature Sensor -G151-
- Not installed on vehicles with manually regulated A/C system.
- Removing and installing, refer to RIGHT VENT TEMPERATURE SENSOR .
- Evaporator Drain Hose
- Checking, removing and installing, refer to CONDENSATE DRAIN HOSE .
- Sunlight Photo Sensor -G107-
- Not installed on vehicles with manually regulated A/C system.
- Removing and installing, refer to SUNLIGHT PHOTO SENSOR and Removal and Installation .
- Cover for Loudspeaker in Center Instrument Panel
- Removing and installing cover, refer to Removal and Installation .
- Defroster Vent
- For front windshield.
- Removing and installing, refer to Removal and Installation .
- Light Emitting Diode for Central Locking System
- Removing and installing, refer to Removal and Installation .
- A/C Unit With Evaporator and Add-On Components
- Air guide in air conditioner and in vehicle, refer to AIR GUIDE IN AIR DISTRIBUTION HOUSING .
- Components of heating and A/C unit in passenger compartment, refer to HEATING AND A/C UNIT COMPONENTS - MANUALLY REGULATED or HEATING A/C UNIT COMPONENTS - AUTOMATICALLY REGULATED .
- Clean air conditioning system evaporator with Ultrasound A/C Cleaner VAS 6189A, refer to A/C EVAPORATOR CLEANING .
- Heating and A/C unit, removing and installing, refer to HEATING AND A/C UNIT .
- Defroster Vent
- Side window/passenger side.
- Removing and installing, refer to Removal and Installation .
- Instrument Panel Vent, Right
- Removing and installing instrument panel vents, refer to INSTRUMENT PANEL VENT and Removal and Installation .
RENDER: 1.0x
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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.