PDA

View Full Version : Retrofit Active Lane Assist



soft
16-07-2014, 05:12 PM
Im taking this out of Kufatec to simplify my own mess:-)

So fare I have fund out this:

The control units necessary for the Audi active lane assist function:
Camera control unit J852:
Registers the area in front of the vehicle and transfers the images to the image processing control unit J851
Searches for lane boundary lines in the images, determines their exact position and geometry, and transfers this infor- mation to the control unit J851
Image processing control unit J851:
The function software of Audi active lane assist is integrated in this unit
Transmits the required system steering moment to the control unit for power steering J500 and, if required, requests a vibration alarm
Asks the control unit in dash panel insert J285 to display the current system state and, if required, to display messages and warnings
Transfers the current system state to the control unit for windscreen projection J898 and asks it, if required, to display warnings
Saves the settings for Audi active lane assist made via the MMI. The stored values are assigned to the vehicle key in use.
Power steering control unit J500:
Activates the motor for electromechanical steering accor- ding to the specifications of the control unit J851 (generation of the required system steering moment and output of a vibration warning)
Reads in the sensor for steering moment G269 and forwards the steering moment to the control unit J851
Optional control units that can be used if fitted:
Adaptive cruise control unit J428 and control unit 2 for adaptive cruise control J850:
• If the vehicle has the optional extra ACC, its measured variables are used for the two functions "Deliberate lane change without set turn indicator" and "System characteris- tics with obstacles detected on the neighbouring lane"
Park assist steering control unit J791:
• If the vehicle has the optional extra front / rear parking aid, its measured variables are used for the function "System characteristics with obstacles detected on the neighbouring lane"
Data bus diagnostic interface J533:
• The interface of the various data bus systems
Steering column electronics control unit J527:
• Reads in the button for switching the Audi active lane assist on and off and places the information on the CAN bus
Control unit in dash panel insert J285:
• Displays the current system state of Audi active lane assist • Issues messages of Audi active lane assist
Control unit 1 for information electronics J794:
• Settings for Audi active lane assist can be made via the control unit J794
Control unit for windscreen projection J898:
• If the vehicle has a head-up display, the current system state and warnings from Audi active lane assist can be displayed there

Then I went through my VCDS scan and I have:
J851
J500
J852
J428
J533
J285
J527
J898
J794

I have all the HW, question is how to enable.
Audi will not do it.
I see that I miss the 3C entry in my VCDS scan, can anyone tell me if this is only an "address" or actual HW ?
If you have Active Lane Assist, can you please post your entry in 3C ?

Kim