Workshop Manuals Factory service & repair Audi
01 Relays and Modules02 Sensors and Switches03 Maintenance04 Engine, Cooling and Exhaust05 Powertrain Management06 Transmission and Drivetrain07 Brakes and Traction Control08 Starting and Charging09 Power and Ground Distribution10 Steering and Suspension11 Heating and Air Conditioning12 Restraint Systems13 Accessories and Optional Equipment14 Body and Frame15 Cruise Control16 Instrument Panel, Gauges and Warning Indicators17 Lighting and Horns18 Windows and Glass19 Wiper and Washer Systems
Audi A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)11 · Heating and Air Conditioning
11 · Heating & A/C

Solar Sensor, HVAC: Service and Repair

Make
Audi
Model
A4 Quattro Sedan
Engine
L4-2.0L Turbo (CAEB)
Year
2009
Section
Solar Sensor, HVAC › Service and Repair
Heating and Air ConditioningService and Repair
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Solar Sensor: Service and Repair

Sunlight Photo Sensor

‹› There are different versions of the Sunlight Photo Sensor (G107), observe the correct allocation. If a Sunlight Photo Sensor (G107) is installed that

is not intended for that vehicle (there is a different signal than the one intended in that Climatronic Control Module ( J255) A/C control head, the
Climatronic Control Module (J255) A/C control head cannot evaluate the signal from the Sunlight Photo Sensor (G107) and the A/C system is not
regulated correctly.

‹› The following illustration shows the location of the components on an Audi A5 Coupe; on the Audi A4 or the Audi Q5, the location of the

components varies slightly. Removing and installing the components is the same as described for the Audi A5 Coupe.

Removing

-

Switch off ignition.

-

Using a small screwdriver, carefully pry off the Sunlight Photo Sensor (3241) (G107) - A - from the windshield defroster vent - B -. 

‹› While doing this, be careful not to damage the surface of the Sunlight Photo Sensor (3241) (G107) cover -  A - and the defroster vent - B -.

-

Disconnect the connector - C -.

Installing

Installation is carried out in the reverse order, when doing this note the following.

-

After installing the DTC memory of the A/C control head Climatronic Control Module (J255) and erase any displayed malfunction if necessary.
Refer to Vehicle Diagnosis, Testing and Information System VAS 5051 in "Guided Fault Finding" function.

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Parts & tools for this job For 2009 Audi A4 2.0L

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