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Thread: High Beam Assist retrofit on Golf 7

  1. #1
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    High Beam Assist retrofit on Golf 7

    I found a bargain for an almost new frameless interior mirror with auto-dimming and HBA support. I could not help but starting another retrofit project.

    Now I have a simple auto-dimming mirror, so the wiring needs to be slightly modified. The current mirror uses four wires: switched +12V, GND, reverse signal and roof light signal.

    The new mirror, part number 3G0 857 511 AE, has 7 populated positions into the 8pin connector. I know that four wires are: +12V, GND and Extended CAN.
    (reverse signal is read from CAN, no need for wire).

    What are the other 3 pins for? Does anybody have a WD for the mirror, from any MQB car? I downloaded Golf 2018 WDs from erwin but High Beam Assist (PR Code 8G1) is documented only with the bigger camera on the windshield, the camera used for other traffic-assist features.

    the mirror does basic HBA and will show up at address 20 into the Gateway install list. also, since it is now a module on the network, shouldn't it be powered by permanent +12V instead of switched?

  2. #2
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    apologies, I found the WD by looking harder into what I got from erwin lol.

    it's five wires: +12V (switched, this is confirmed), GND, Extended CAN and the wire from the roof light.

    I'll report back after I pull the CAN twisted pair. I need a leap of faith cause I already put A-Pillars back with their nasty clips. goddamnit.

    BTW the feature is called MBA Main Beam Assist into the WD.

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  4. #3
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    I installed the mirror today. boy, I hate those A-pillar clips. it took me longer to remove the A-pillar than to pull the pair and terminate it.

    the mirror came with all the coding bits at 0. with the experimental coding I was able to set BYTE 0 and 1 to 01, which mean halogen low and high beams.

    I don't know how to set BYTE 3, which is apparently the car type; regular coding does not include Golf 7 and experimental coding is... in german.

    I don't know how to change all remaining bytes but I doubt they all stay at zero.

    I enabled what's needed in the BCM and got the menu in the radio, and I get the high beam symbol with the "A" (AUTO) when pushing the lights stalk. however, on a small test drive high beams never auto-engaged.

    does anybody have further info, or a more complete coding label for the mirror?

    here is actual scan. ignore the error on the gateway.

    Code:
    Saturday,03,November,2018,17:40:48:06888
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64(VirtualBox)
    VCDS Version 18.9.0.2 (x64)  HEX-V2 CB: 0.4436.4
    Data version: 20180927 DS296.0
    www.Ross-Tech.com
    
    Workshop Code: 011 01357 000000
    
    VIN: WVWZZZAUZHW0xxxxx   License Plate:
    Mileage: 24196km-15034mi   Repair Order: 
    
    --------------------------------------------------------------------------------
    Chassis Type: AU-VW37 (5Q0)
    Scan: 01 03 08 09 10 15 16 17 18 19 20 42 44 52 5F 65
    
    VIN: WVWZZZAUZHW0xxxxx   Mileage: 24196km-15034miles
    
    01-Engine -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    18-Aux. Heat -- Status: OK 0000
    19-CAN Gateway -- Status: Malfunction 0010
    20-High Beam Assist. -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    5F-Information Electr. -- Status: OK 0000
    65-Tire Pressure -- Status: OK 0000
    
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CZCA)       Labels:. 04E-907-309-V1.clb
       Part No SW: 04E 906 027 HB    HW: 04E 907 309 BH
       Component: R4 1.4l TFS   H25 2833  
       Revision: R7H25---    
       Coding: 0119003223241D082000
       Shop #: WSC 21385 002 1048576
       ASAM Dataset: EV_ECM14TFS01104E906027HB 001005
       ROD: EV_ECM14TFS01104E906027HB.rod
       VCID: 6B833BBF03045EDF5B7-803F
    
       CAN Converter 01: 
    
    No fault code found.
    Readiness: 0110 0001
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
       Part No SW: 5Q0 614 517 CC    HW: 5Q0 614 517 AG
       Component: ESC           H62 0637  
       Revision: 00000000    Serial number: 91596000011507
       Coding: 01FA6AA1242219704779060841C62980562498E2608294730020500A400203
       Shop #: WSC 131071 102 209715
       ASAM Dataset: EV_Brake1UDSContiMK100IPB 035019
       ROD: EV_Brake1UDSContiMK100IPB_035_VW37.rod
       VCID: 74B120C35E3A81278AD-8021
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 5G0-907-044.clb
       Part No SW: 5G0 907 044 BM    HW: 5G0 907 044 BM
       Component: Climatronic   H04 1601  
       Revision: 00001K08    
       Coding: 00020004104111011005004000101022
       Shop #: WSC 00028 028 00068
       ASAM Dataset: EV_ACClimaBHBVW37X 006142
       ROD: EV_ACClimaBHBVW37X_006_VW37.rod
       VCID: 73B323DF5B34861F937-8027
    
       Fresh Air Blower Front: 
    
       Refrigerant Pressure And Temperature Sender: 
    
       Air quality sensor: 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:| 5Q0-937-08X-HV1.clb
       Part No SW: 5Q0 937 084 CL    HW: 5Q0 937 084 AN
       Component: BCM MQBAB H   H24 0175  
       Serial number: 01061633700891
       Coding: 00000946C20102FB0B244080B11407281400000000000000000000000000
       Shop #: WSC 01357 011 00000
       ASAM Dataset: EV_BCMMQB 015001
       ROD: EV_BCMBOSCH_015.rod
       VCID: 045170030E9AB1A7BAD-8051
    
       Control Unit For Wiper Motor: 
       Subsystem 1 - Part No SW: 5G1 955 119 A    HW: 5G1 955 119 A  Labels: 5QX-955-119-V1.CLB
       Component: WWS    160522  043 0551 
       Serial number:         160601172917
       Coding: 0E4DFD
    
       Rain Light Recognition Sensor: 
       Subsystem 2 - Part No SW: 5Q0 955 547 B    HW: 5Q0 955 547 B  Labels: 5Q0-955-547.CLB
       Component: RLHS  042 0105 
       Serial number: S5Y17M06D01H13M38S50
       Coding: 06A8DD
    
       Sensor For Anti Theft Alarm System: 
       Subsystem 3 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172 
       Component: Sensor, DWA  005 0315 
       Serial number: 000000000ZY15028208R
    
       Alarm horn: 
       Subsystem 4 - Part No SW: 5Q0 951 605     HW: 5Q0 951 605 
       Component: Sirene, DWA  004 0311 
       Serial number: 00000000000030139763
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J791)       Labels:| 5Q0-919-298.clb
       Part No SW: 5Q0 919 298 D    HW: 5Q0 919 298 
       Component: PARKHILFE PLA H11 0042  
       Revision: --------    Serial number: 61131402901978
       Coding: 0031161041
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_EPHVA2CAU3700000 003019
       ROD: EV_EPHVA2CAU3700000_003.rod
       VCID: 40D9BC135A026D87DE5-8015
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
       Part No SW: 5Q0 959 655 D    HW: 5Q0 959 655 D
       Component: AirbagVW20    015 0388  
       Serial number: 003F6R1V1W4Y
       Coding: 98CCC000000000005C0000CF004800000065
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_AirbaVW20SMEVW37X 002130
       ROD: EV_AirbaVW20SMEVW37X.rod
       VCID: 41DFB9175108648FD1B-8015
    
       Side Sensor Driver Front: 
       Subsystem 1 - Part No SW: -----------    HW: 480 001 506 16
       Component: SideSensor_Df  001 0887 
       Serial number: 35767000000432B44C1Q
       Coding: 2D2D2D
    
       Side Sensor Passenger Front: 
       Subsystem 2 - Part No SW: -----------    HW: 480 001 506 16
       Component: SideSensor_Pf  001 0887 
       Serial number: 358670000008B4C4DB17
       Coding: 2D2D2D
    
       Side Sensor Driver Rear: 
       Subsystem 3 - Part No SW: -----------    HW: 480 400 306 16
       Component: SideSensor_Dr  001 6149 
       Serial number: 3516502BB205729313D3
       Coding: 2D2D2D
    
       Side Sensor Passenger Rear: 
       Subsystem 4 - Part No SW: -----------    HW: 480 401 105 16
       Component: SideSensor_Pr  001 6149 
       Serial number: 3526502AF2076340F201
       Coding: 2D2D2D
    
       Front Sensor Driver: 
       Subsystem 5 - Part No SW: -----------    HW: 480 401 106 16
       Component: FrontSensor_D  001 6149 
       Serial number: 35565029B21160C1025X
       Coding: 2D2D2D
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:| 5Q0-953-549.clb
       Part No SW: 5Q0 953 507 FT    HW: 5Q0 953 549 F
       Component: Lenks. Modul  003 0140  
       Revision: --------    Serial number: 13061608490829
       Coding: 0400
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_SMLSKLOMQB 020002
       ROD: EV_SMLSKLOMQB_VW37.rod
       VCID: 0D4755275DD0F0EFE53-8059
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
       Part No SW: 5G1 920 750 B    HW: 5G1 920 750 B
       Component: KOMBI         303 8311  
       Coding: 03A501802290000D02083B041400000000000000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DashBoardVDDMQBAB 009051
       ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
       VCID: 26150A8BD866A3B7C49-8073
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 18: Aux. Heat (J364)       Labels:| 5Q0-963-272.clb
       Part No SW: 5Q0 963 272 B    HW: 5Q0 963 272 B
       Component: STH-MQB       006 0069  
       Coding: 1309
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_AuxilParkiHeateWOS 002014
       ROD: EV_AuxilParkiHeateWOS.rod
       VCID: 3537DDC715C0D82F7D3-8061
    
       Remote Control Auxiliary Heater: 
       Subsystem 1 - Part No SW: 3Q0 963 513     HW: 3Q0 963 513 
       Component: R64 D208L  004 0401 
       Serial number: 00000000000000180382
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:| 5Q0-907-530-V1.clb
       Part No SW: 5Q0 907 530 AM    HW: 5Q0 907 530 F
       Component: GW MQB High   128 1265  
       Revision: --------    Serial number: 0004271482
       Coding: 030100043F085700FB000248080F00010001050000000000000000000000
       Shop #: WSC 12345 123 28888
       ASAM Dataset: EV_GatewLear 013020
       ROD: EV_GatewLear_013_VW37.rod
       VCID: 7CA108E3766AC967C2D-8029
    
       Alternator: 
    
       Multi Function Steering Wheel Control Module: 
       Subsystem 2 - Part No SW: 5G0 959 442 M    HW: 5G0 959 442 M  Labels: 3C8-959-537.CLB
       Component: E221__MFL-DC1  H11 0103 
       Serial number: 29160001142480026234
       Coding: 28FFFF
    
       Battery Monitoring Control Module: 
       Subsystem 3 - Part No SW: 5Q0 915 181 K    HW: 5Q0 915 181 K
       Component: J367-BDMHella  H10 9070 
       Serial number: 8442320304          
    
    1 Fault Found:
    1541 - Data Set Implausible 
              B2012 00 [009] -  - 
              [unplausibler Datensatz: Funktion "erweiterte Anzeige StartStopp"]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 21
                        Mileage: 24194 km
                        Date: 2018.11.03
                        Time: 00:10:53
    
                        Supply voltage: Terminal 30: 12.1 V
                        Terminal 15: On
    
    -------------------------------------------------------------------------------
    Address 20: High Beam Assist. (J844)       Labels:| 8S0-857-511.clb
       Part No SW: 3G0 857 511 AE    HW: 3G0 857 511 AE
       Component: FLA           H10 0003  
       Revision: AA001001    
       Coding: 0101000000000000000000
       Shop #: WSC 01357 011 00000
       ASAM Dataset: EV_HighBeamAssisAU33X 001017
       ROD: EV_HighBeamAssisAU33X_VW37.rod
       VCID: 6B833BBF03045EDF5B7-803F
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
       Part No SW: 5Q0 959 593 E    HW: 5Q0 959 593 B
       Component: TSG FS        020 0041  
       Serial number: 300516EEU02971
       Coding: 003B0220D000040100001000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DCUDriveSideEWMAXKLO 006003
       ROD: EV_DCUDriveSideEWMAXCONT.rod
       VCID: 43D3B31F4B14769FC37-8017
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
       Part No SW: 3Q0 909 144 K    HW: 3Q0 909 144 H
       Component: EPS_MQB_ZFLS  506 5072  
       Coding: 8307
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_SteerAssisMQB 013144
       ROD: EV_SteerAssisMQB_013.rod
       VCID: 3A2DCEFB3CDE3757901-806F
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
       Part No SW: 5Q0 959 592 E    HW: 5Q0 959 592 B
       Component: TSG BFS       020 0041  
       Serial number: 280516EER24731
       Coding: 003B0020DE00040100801000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DCUPasseSideEWMAXKLO 006003
       ROD: EV_DCUPasseSideEWMAXCONT.rod
       VCID: 42DDB61B540E7F97C81-8017
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
       Part No SW: 3Q0 035 824 B    HW: 3Q0 035 824 B
       Component: MU-S--ER      710 0744  
       Serial number:               
       Coding: 02730000AA0000005111000100080A001F0200D40120010003
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_MUStd4CDELP 001001
       ROD: EV_MUStd4CDELP_VW26.rod
       VCID: 2C01F8A3C68A99E712D-8079
    
       Operating And Display Unit 1: 
       Subsystem 1 - Part No SW: 3G0 919 605 B    HW: 3G0 919 605 B
       Component: ABT_Std-2  H53 1031 
       Serial number: VWZ8Z9SJT00QNA      
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 65: Tire Pressure (J502)       Labels: 3AA-907-273.clb
       Part No SW: 5Q0 907 273 B    HW: 5Q0 907 273 
       Component: RDKBERU30     H04 0009  
       Serial number: 40000000018766
       ASAM Dataset: EV_RDKBERU30 006001
       ROD: EV_RDKBERU30_006_VW37.rod
       VCID: 3431E0C31EBAC1274AD-8061
    
    No fault code found.
    
    End----------(Elapsed Time: 01:47, VBatt start/end: 12.4V/12.3V)-----------

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  6. #4
    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by darkchina811 View Post
    however, on a small test drive high beams never auto-engaged.
    Did you go fast enough for the HBA to engage? Check the speed settings in the adaptation channels of the #20 module.

  7. #5
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    ah, that might be. I'll tweak and test drive again.

  8. #6
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    it works, although I don't fully understand the assistant's logic.

    it appears like it has to be completely dark, I mean not even street illumination. for who has the module A5 camera there are two light-intensity adaptations to be tweaked that I do not find in the list of my module 20.

    guess it is what it is.

    there are some examples of cars with HBA by module 20 but they use the older mirror (with frame) and it has different HW/SW and coding lenght...

  9. #7
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    https://forums.ross-tech.com/showthr...TE-1-4TSI-CUKB

    guess only the first two bytes are the right way

  10. #8
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    Quote Originally Posted by darkchina811 View Post
    it works, although I don't fully understand the assistant's logic.

    it appears like it has to be completely dark, I mean not even street illumination. for who has the module A5 camera there are two light-intensity adaptations to be tweaked that I do not find in the list of my module 20.

    guess it is what it is.
    Your guess is correct. HBA is a function to be used on extra-urban roads, which are unlit by street lights. No reason to use the main beams if the road is already lit up. Even A5 doesn't switch to main beams when driving on an unlit road if there are visible street lights far away, which actually is a hindrance.

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  12. #9
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    a couple of days ago I drove one hour on the highway. I ended up deactivating this stupid assistant like after ten minutes.

    whenever a car approaches in front of me, the high beams never switch back to lows soon enough, and people flashes me all the time.

    I am kind of disappointed. pretty useless.

  13. #10
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    Quote Originally Posted by darkchina811 View Post
    a couple of days ago I drove one hour on the highway. I ended up deactivating this stupid assistant like after ten minutes.

    whenever a car approaches in front of me, the high beams never switch back to lows soon enough, and people flashes me all the time.

    I am kind of disappointed. pretty useless.
    I'm very happy with my car HBA. Although my car has A5 camera for assistant, which by many feedbacks works better than mirror mounted one. It has drawback like pedestrian road light intervenes, but You have to be aware of these "features" and it will work fantastically. I also have SEAT LED lights and no car has ever flashed me during using this feature. And during dark time(Autumn, Winter and Spring), like now, I drive a lot in the dark.
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
    The world is my oyster...

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