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Thread: MK7 Halo headlight range to cluster illum dimmer

  1. #1
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    MK7 Halo headlight range to cluster illum dimmer

    I am finalizing the retrofit of LED headlights to my Golf 7, I had halogens as stock. Halogens had a manual height adjustment next to the light switch, please see picture:

    https://www.dropbox.com/s/iqsonxrlow820w0/HaloRange.jpg

    since that dial is not necessary anymore, I replaced it with the cluster illumination dimmer, please see picture:

    https://www.dropbox.com/s/3wjcutqvq0...sterDimmer.jpg

    this is the wiring diagram, where I understand they are wired the very same, so I believe they are exchangeable:

    https://www.dropbox.com/s/lgarsspw40...llumWiring.JPG

    actually the illumination dimmer does not work, so I wonder if any coding/adaptation need to be adjusted. I looked into modules 09 and 17 but could not find anything obvious.

    does anybody have a solution? thanks

  2. #2
    Verified VCDS User PetrolDave's Avatar
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    With 398 posts here you should know that when asking a question about coding or adaptation you need to include a full unedited VCDS Auto-Scan

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  4. #3
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    you have a point. the autoscan is here and all the adaptation maps are here:

    https://www.dropbox.com/s/pofkgokte2..._JUN132019.zip

    for the record, I tried DISABLING BIT 2 from BYTE 12 in module 17 without any luck.

    Code:
    Thursday,13,June,2019,16:08:18:06888
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 19.6.0.2 (x64)  HEX-V2 CB: 0.4505.4
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    Dealer/Shop Name: dB
    Workshop Code: 031 33097 006209
    
    VIN: WVWZZZAUZHW0xxxxx   License Plate: FULL-LED-FINAL
    Mileage: 29697km-18452mi   Repair Order: 
    
    --------------------------------------------------------------------------------
    Chassis Type: AU-VW37 (5Q0)
    Scan: 01 03 08 09 10 13 15 16 17 18 19 3C 42 44 52 55 5F 65
    
    VIN: WVWZZZAUZHW0xxxxx   Mileage: 29697km-18452miles
    
    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
    13-Auto Dist. Reg -- 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: OK 0000
    3C-Lane Change -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    55-Headlight Range -- 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: 0119003A23441D082000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_ECM14TFS01104E906027HB 001005
       ROD: EV_ECM14TFS01104E906027HB.rod
       VCID: 6B833BBF03045EDF0F3-803E
    
       CAN Converter 01: 
    
    No fault code found.
    Readiness: 1110 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: 01FA6AA1242219704779060841C62980562498E26082947314205008408903
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_Brake1UDSContiMK100IPB 035019
       ROD: EV_Brake1UDSContiMK100IPB_035_VW37.rod
       VCID: 74B120C35E3A8127DE9-8020
    
    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 33097 031 06209
       ASAM Dataset: EV_ACClimaBHBVW37X 006142
       ROD: EV_ACClimaBHBVW37X_006.rod
       VCID: 73B323DF5B34861FC73-8026
    
       Fresh Air Blower Front: 
    
       Geber für Kältemitteldruck/Kältemitteltemperatur: 
    
       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: 00000846C20102FB0B244080B11407281400000000000000000000000000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_BCMMQB 015001
       ROD: EV_BCMBOSCH_015.rod
       VCID: 045170030E9AB1A7EE9-8050
    
       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     HW: 5Q0 955 547   Labels: 5Q0-955-547.CLB
       Component: RLFS  024 0042 
       Serial number: Y13M05D10H00M20S03S4
       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: 5QA 919 298 C    HW: 5QA 919 298 A
       Component: PLA 3.0 12KH07 0045  
       Serial number: 000308417617145
       Coding: 0271165041
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_EPHVA2CAU3700000 009037
       ROD: EV_EPHVA2CAU3700000.rod
       VCID: 50F98C538A629D071A1-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 13: Auto Dist. Reg (J428)       Labels:| 5Q0-907-567.clb
       Part No SW: 5Q0 907 567 G    HW: 5Q0 907 567 G
       Component: ACC3          H08 0390  
       Serial number: 19021303030627
       Coding: 00000300FE030B
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_ACCBoschMQB 001021
       ROD: EV_ACCBoschMQB_VW37.rod
       VCID: 3FDBBFEF27FC127FF3B-806A
    
    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: 41DFB9175108648F85F-8014
    
       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 33097 031 06209
       ASAM Dataset: EV_SMLSKLOMQB 020002
       ROD: EV_SMLSKLOMQB_020_VW37.rod
       VCID: 0D4755275DD0F0EFB17-8058
    
    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: 03A501802E88000D02882B0D1401000000000000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_DashBoardVDDMQBAB 009051
       ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
       VCID: 26150A8BD866A3B790D-8072
    
    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 33097 031 06209
       ASAM Dataset: EV_AuxilParkiHeateWOS 002014
       ROD: EV_AuxilParkiHeateWOS.rod
       VCID: 3537DDC715C0D82F297-8060
    
       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: 030100043F085700FB000258080F00010001050000000000000000000000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_GatewLear 013020
       ROD: EV_GatewLear_013.rod
       VCID: 7CA108E3766AC967969-8028
    
       Alternator: 
    
       Multi Function Steering Wheel Control Module: 
       Subsystem 2 - Part No SW: 5G0 959 442 N    HW: 5G0 959 442 N  Labels: 3C8-959-537.CLB
       Component: E221__MFL-DC1  H10 0038 
       Serial number: 29140002632800044485
       Coding: 2C0000
    
       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          
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 3C: Lane Change (J1086)       Labels:| 5Q0-907-686.clb
       Part No SW: 5Q0 907 686 B    HW: 5Q0 907 686 B
       Component: HRE_Master    H11 0071  
       Serial number: 0392234969
       Coding: 02011103
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_HREntryHella 001028
       ROD: EV_HREntryHella_VW37.rod
       VCID: 3C21C8E336EA0967D69-8068
    
       Lane Change Assistant 2: 
       Subsystem 1 - Part No SW: 5Q0 907 685 B    HW: 5Q0 907 685 B
       Component: HRE_Slave  H11 0071 
       Serial number: 0381249049          
       Coding: 020111
    
    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: 003F0220D000040100001000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_DCUDriveSideEWMAXKLO 006003
       ROD: EV_DCUDriveSideEWMAXCONT.rod
       VCID: 43D3B31F4B14769F973-8016
    
    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 33097 031 06209
       ASAM Dataset: EV_SteerAssisMQB 013144
       ROD: EV_SteerAssisMQB_013.rod
       VCID: 3A2DCEFB3CDE3757C45-806E
    
    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: 003F0020DE00040100801000
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_DCUPasseSideEWMAXKLO 006003
       ROD: EV_DCUPasseSideEWMAXCONT.rod
       VCID: 42DDB61B540E7F979C5-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range (J431)       Labels:| 5Q0-907-357.clb
       Part No SW: 5Q0 907 357     HW: 6R0 907 357 A
       Component: LWR-ECU       005 0080  
       Revision: --------    Serial number: --------------
       Coding: 029A000001000000
       Shop #: WSC 00028 028 00068
       ASAM Dataset: EV_HeadlRegulVWLWRMQB 001110
       ROD: EV_HeadlRegulVWLWRMQB.rod
       VCID: 75B71DC75540982FE97-8020
    
    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: 02730000AA0000005111000100080A001F0206D40120010003
       Shop #: WSC 33097 031 06209
       ASAM Dataset: EV_MUStd4CDELP 001001
       ROD: EV_MUStd4CDELP_VW37.rod
       VCID: 2C01F8A3C68A99E7469-8078
    
       Operating And Display Unit 1: 
       Subsystem 1 - Part No SW: 5G6 919 605     HW: 5G6 919 605 
       Component: ABT_Std-2  H50 8120 
       Serial number: VWZ6ZHT1541317      
    
    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: 3431E0C31EBAC1271E9-8060
    
    No fault code found.
    
    End----(Elapsed Time: 01:38, VBatt start/end: 12.1V/12.0V. VIgn 12.0V)-----

  5. #4
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    I don't have an answer, but I'm looking for similar information. I want to be able to dim the dashboard/instrument panel lights to 'off' or at least much darker than the factory setting. If you find an answer, please share. See the clues left by others in my earlier thread by searching for my user name 'jgordon'. It's the only thread I've posted.

  6. #5
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    does anybody have a MQB car with the dimmer fitted as stock? I am stumbled upon this and I could scans/admaps as an example.

  7. #6
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    ^^^^^ Darkchina- Hi.

    I've developed a database (read, MS excel spreadsheet) of the "standard" function for BCM code switches for MQB platform vehicles over a number of years.

    The data in my spreadsheet has come from many places (i.e. the net, options on various diagnostic cables and rare discussions with dealer master-technicians). At first in good citizen fashion, I started the spreadsheet by also recording the source of the information, but in my characteristic slack style that part of my record keeping disappeared - so attribution of the data is not possible (alas).

    Anyhow - this is an extract from my spreadsheet that might be of interest:

    • Byte 7, Bit 0-1 (Lighting adjustment-Input media),
    • Options: not installed=hex0, Potentiometer=hex1, Button=hex2, HMI=hex3


    The code string on your auto-scan reports Bit 7, Bit 0-1 as hex3 (i.e. control via the MENU). Try changing Bit 1 to 0

    Don

    EDIT: Arrrhh........... I found it- always rely on the "yellow" helper screens!!!

    Last edited by DV52; 06-25-2019 at 08:26 PM.
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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  9. #7
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    thank you Don, I made some progress. I changed bits 0-1 to hex 01 (potentiometer) and here's the error I get:

    https://www.dropbox.com/s/yah7gm02rl...immerFault.jpg

    this makes me believe that the BCM does not sense the pot.

    so I opened both pots, the old headlight level range and the new illum dimmer. they basically are the same, they have a 7pin connector but only 5 pins are populated.

    pins 2 and 6 are for the illumination.
    pins 3, 4 and 5 are the actual pot (the resistor is across 3 and 4 and 5 is the wiper).

    when the car was stock, pin 5 was directly connected to the two motors that regulated height inside the halogen headlights. that wire is now disconnected on the headlights' side, because the new LED headlights height is regulated by control module 55.

    so that pin 5 should now go to BCM, but I am not sure where. the wiring diagram says it COULD go to B33 "according to equipment / from May 2017", so I am perplexed.

  10. #8
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    ^^^ hmm... small baby steps!!! I can't find much about the potentiometer for the illumination on my WD s. But I did manage to find this on the BCM pin out:

    T73c /19 - Designation= Switch and instrument illumination regulator -E20-

    Not sure if it helps, or hinders - hope the former, but I apologize if the latter applies

    Don
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

  11. #9
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    what revision of WD do you have? mine is JUNE 2017, from erWin, and on the BCM pinout B33 and C19 are both shown as unused (blank).

    E20 is indeed the pot I am trying to install

  12. #10
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    ^^ My WD s are earlier (MY13 & MY14) - but the entire matter is academic if your BCM physically doesn't have either of the 2 x pin options in question. Perhaps start by confirming this (i.e. eye-ball the pins on the B & C sockets)? If the pins are not present, then you might need to forget this part of the exercise - it seems like the tail-wagging-the-dog if you are considering changing the BCM (IMO)

    Don
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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