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Audi A4 / B8 ACC Adaptive Cruise Control / Active radar / Basic Instrument Cluster conversion to full ACC unit / IC conversion

Hi Folks,
After successful ACC retrofit and garage made ??calibration on my A4 / B8 / 2011 / 1.8 TFSI, I have Decided to take up the project of basic instrument cluster conversion to full ACC one ... inspired by HanneSQ5 and Karlonimo work on IC ACC convention

Project what of basically driven by the factthat I received a secondhand ACC instrument cluster 8K0920930 G (declared as faulty- reporting fault 16348 - Control Module - Checksum Error, 014 - Defective) and Decided to use it as LEDs, NEC D6345 microcontroller, diode , transistor, capacitor donor as well as donor of black gauge dash faceplate scaled in km housing 23 LEDs All which is different than the one on non ACC IC.

black gauges dash faceplate difference

Benefit - Upgrading all LEDs on my original instrument cluster part no: 8K0920930 M (benzine) to version "G", "T" or "Q" Allows to keep original

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Hi Everyone,
Thanks to all for good forum discussion.
After successful ACC retrofit and calibration I have decided to summarise calibration process I have went through so …

ACC Calibration / Adaptive Cruise Control / Audi A4 A5 Q5 / Distronic / ACC Audi / ACC Skoda / ACC VW / ACC Seat

As per given instruction within the thread audi4ever forum I have built a “mirror” (about 1100mm x 800mm), from the reflection side I have attached two pieces of plain sheet metal which reflects the radar beam (76,5Ghz) in three different vertical positions:

Position 1 = 89° (inclined toward the car)
Position 2 = 90° (straight angle)
Position 3 = 91° (declined from the car)

In my case I have calculated that 1°shift can be achieved by move of the “mirror” support about 15mm towards front or backwards at the base of wooden plate, (no need of digital protractor).

„Mirror” has to placed perpendicular, central, 120cm from the radar:

Remove the radar from plastic supports and set all three screws to 43mm

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