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.
Sunlight Photo Sensor -G107-, Removing And Installing: Notes
There are different versions of the Sunlight Photo Sensor -G107-, therefore make sure the allocation is correct. Refer to the Parts Information. If a Sunlight Photo Sensor -G107- is installed that is not designated for that vehicle (there is a different signal than the one designated in this Climatronic Control Module -J255- A/C display and control head), the Climatronic Control Module -J255- A/C display and control head cannot evaluate the signal from the Sunlight Photo Sensor -G107- and the A/C system is not regulated correctly.
The following illustrations show the location of the components on an Audi A5 Coupe; an Audi A5 Sportback, Audi A4, Audi Q5, etc. the location of the components varies slightly. Removing and installing the components is the same as described for the Audi A5 coupe.
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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.