A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Cap with seal, always re-install after using service valve
6
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Sensor for air quality -G238-
7
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Heated Windshield Control Module -J505-
8
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Accumulator
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Only remove when the refrigerant has been discharged from the A/C system
9
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Coolant FC (Fan Control) Control Module -J293- 2)
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The request to switch on the coolant fan is transmitted to the Engine Control Module (ECM) by the A/C control head -E87- via the
CAN-bus system.
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Switches the coolant fans gradually to desired output performance.
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Installed in various versions on different locations depending on vehicle equipment.
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Read Measuring Value Block (display group 014)
10
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Condenser
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Only remove when the refrigerant has been discharged from the A/C system
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Refrigerant lines, removing and installing
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Condenser removing and installing
11
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Outside Air Temperature Sensor -G17-
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Removing
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Disconnect harness connector on temperature sensor and unclip from air guide bracket
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Resistance values
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The measuring value of Outside Air Temperature Sensor -G17- is evaluated by the instrument cluster control module and transmitted to
A/C control head -E87- via the CAN-bus comfort system.
12
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A/C Compressor Regulator Valve -N280- 1,2)
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Checking activation and function
13
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Compressor
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Compressor from bracket, removing and installing
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Refrigerant lines on compressor, removing and installing
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Compressor, removing and installing
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The compressor construction differs depending on engine (6-cylinder gas engine)
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Different compressor types are installed depending on country variants (e.g. Denso, model designation 7SEU series USA); See Parts
department.
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Ribbed belt, removing and installing
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Pulley, replacing
14
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High Pressure Sensor of A/C system -G65-1)
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Function, removing and installing
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The measuring value of the sensor is displayed in function "Read Measuring Value Block" by A/C Control Head -E87-
15
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Air extraction vents
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Sealing flaps on air extraction vent must be able to move freely and close automatically
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In order for the vehicle interior ventilation to function properly, the air ducts that run through the luggage compartment trim must be
unobstructed.
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Checking