drg
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Post by drg on Jun 9, 2023 6:02:25 GMT
On my old mk5 gti the wipers, when set to auto would do an extra wipe to clear any drops or excess water from the screen after the initial clean. Mk8 doesn't seem to do this, any ideas?
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Post by newty on Jun 9, 2023 8:11:27 GMT
Try Electrics - Front Wiper - Tränenwischen Front Status
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drg
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Post by drg on Jun 12, 2023 14:18:49 GMT
When i try to save it says function not available, can I assume that there was a specific option needed to enable that?
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Post by newty on Jun 12, 2023 19:31:19 GMT
Did not try it myself to be honest but thats the only adaption worth a shot, sorry if that does not work
I assume that you either have auto SFD unlocking enables or did it the unlock manually?
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drg
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Post by drg on Jun 22, 2023 7:52:35 GMT
I unlocked SFD successfully, but still I get 31 function not available
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Post by newty on Jun 23, 2023 19:06:29 GMT
Then I see no screw to turn, sorry
Thank you for trying and sharing your finding!
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Post by dv52 (Australia) on Jun 24, 2023 21:24:34 GMT
newty : I don't share your expertise on the mk8 - but this tweak on a mk7/7.5 also involves a change to the long-code string on the wiper module. From the very few SCAN reports for the mk8 in my database - I note that 5WA chassis cars seem to have the same set-up for the wiper module as their earlier model equivalents. Meaning that the wiper module appears to be a Subsystem of the central electrics module (i.e. the wiper module is a LIN slave to the master hex09 module) So- maybe OP's difficulty in getting your suggestion to apply is because the the software switch on the wiper module needs to also change?
Here is the relevant screen for this software switch on MQB platform cars (clearly using the "other" diagnostic device):
The switch is Byte 2, Bit 5 (Post/Tear Wiping active)
drg : Pending vwjap response -maybe try flipping this software switch first - then re-try the suggested channel change
Don
PS: vwjap - may I request a favor-please? Can you post-up a copy of the SCAN for your mk8 so I can add it to my database?
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Post by newty on Jun 25, 2023 5:54:27 GMT
That coding isn't that smart or somehow interlocked through control modules, so that would run through in 09.
(Exception apply in the drivetrain modules)
While every Golf 8 has a Sensor equipped, they got another line of sensors ("Smart" Light only senors and rain+light), so coding could differ there.
And as you correctly pointed out, tear wiping is only working with a rain sensor. The type of sensor is coded in the BCM.
That surely could be locked against each other
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Post by vwjap on Jun 25, 2023 6:47:31 GMT
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drg
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Post by drg on Jun 26, 2023 18:15:00 GMT
This is interesting, my mk 8 has the option to auto wipe when raining so perhaps I do have this extra sensor so light+rain? If so dv52 (Australia) what does this translate to having to adapt using obd11? |
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drg
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Post by drg on Jul 4, 2023 14:20:41 GMT
Any further info on this, the above sounded interesting but I have no idea what else I'm looking for in obdeleven to change the other part
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Post by dv52 (Australia) on Jul 12, 2023 11:29:50 GMT
@dsg: I'm not sure that I understood newty response to my suggestion - but I think he is saying NO.
As I said - my suggestion was based on the assumption that the front wiper module on a mk8 was a Subsystem of the central electrics module AND that it had a long-code string.
From the few mk8 SCANs in my database, I can see that the typical arrangement is like this:
Address 09: Cent. Elect. (J519) - Part No SW: 5WA 937 086 AF HW: 5WA 937 086 M
- Component: BCM37w_M1028 0175
Wiper motor control module: - Subsystem 1 - Part No SW: 5H1 955 119 A HW: 5H1 955 119 A
- Component: FWISCHER_MYJT 003 0051
So, the front wiper module on a mk8 does indeed appear to satisfy the first part of my assumption - but it's not clear whether the module is equipped with a long-code string Maybe look at the Subsystems in the hex09 module on this car and post-up screenshots of the information about the front wiper module (WWS)?
Don
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drg
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Post by drg on Jul 12, 2023 14:54:20 GMT
dv52 (Australia)  I'm having to make some assumptions from what you asked so I've gone with Hex09 module = 09 Central Electrics Subsystems = Adaptions This is what I have for these, let me know if it's something else you need.    As you can see above on the last image, i have tried what newty suggested by trying to change Electrics - Front Wiper - Tränenwischen Front Status from not active to to active, which results in the error " 31 function not available"
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drg
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Post by drg on Jul 17, 2023 11:42:35 GMT
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Post by dv52 (Australia) on Jul 18, 2023 21:53:45 GMT
drg : First, my apology - I missed your reply
So, stuff looks very different on the mk8!! - Let me explain:
I don't have a full SCAN for a Golf mk8 from an OBD11 device in my database - but here's an extract from a Golf 8 R 2022 using VCDS showing the peripherals that hang-off what OBD11 calls the central electrics module (in VCDS speak, this same module is called Cent. Elect.)
Golf mk8
Address 09: Cent. Elect. (J519)
Part No SW: 5WA 937 086 AF HW: 5WA 937 086 M
Component: BCM37w_M1028 0175
Serial number: BXJ53F260422940
Wiper motor control module:
Subsystem 1 - Part No SW: 5H1 955 119 A HW: 5H1 955 119 A
Component: FWISCHER_MYJT 003 0051
Serial number: 907453F0402212704005
Rain/Light Recognition Sensor:
Subsystem 2 - Part No SW: 5Q0 955 547 C HW: 5Q0 955 547 C Labels: 5Q0-955-547.CLB
Component: RLHS 054 0206
Serial number: SAY22M06D03H15M31S33
Light switch:
Subsystem 3 - Part No SW: 5H0 941 193 AK HW: 5H0 941 193 AK
Component: LiSi H06 0008
Serial number: 92471VEA001J3
Control head for driving and comfort functions:
Subsystem 4 - Part No SW: 5H0 925 200 R HW: 5H0 925 200 R
Component: DiETa H07 0008
Serial number: 92471VE4000NP
Alarm horn:
Subsystem 5 - Part No SW: 5Q0 951 605 B HW: 5Q0 951 605 B
Component: Sirene, DWA 004 0007
Serial number: 00000000000002395983
Anti-theft alarm system sensor:
Subsystem 6 - Part No SW: 5Q0 951 172 A HW: 5Q0 951 172 B
Component: Sensor, DWA 005 0403
Serial number: 000000000ZL2212501YU
Roof electronics control module:
Subsystem 7 - Part No SW: 5H0 959 569 C HW: 5H0 959 569 C
Component: DACHKONSOLE 101 0104
Serial number: 000000092413VER00431
Steering Column Switch:
Subsystem 8 - Part No SW: 5Q1 953 507 GB HW: 5Q1 953 549 F
Component: J527 SMLS MQB 005 0080
Serial number: 00000011052204220180
Antenna for short-range communication:
Antenna 2 for short-range communication:
Subsystem 10 - Part No SW: 3G0 980 611 HW: 3G0 980 611
Component: J524 NFCMIKO H09 0062
Serial number: 32200000000000991542
The list above shows what's known as a "master module" (being the central electrics module) and a bunch of associated "slave" modules that have various other functions
In contrast. here's the set- up from a Golf mk7 showing the same central electrics module :
Golf mk7
Address 09: Cent. Elect. (J519)
Part No SW: 5Q0 937 084 N HW: 5Q0 937 084 N
Component: BCM MQBAB M H14 0106
Serial number: 00011234701612
Coding: 03001842C24102FB0FA4400000040308100A000000000000000000000000
Shop #: WSC 00028 028 00025
Control Unit For Wiper Motor:
Subsystem 1 - Part No SW: 5G2 955 119 A HW: 5G2 955 119 A Labels: 5QX-955-119-V1.CLB
Component: WWS 121120 042 0551
Serial number: 121206042218
Coding: 0E4DD5
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: Y13M01D03H20M05S37S1
Coding: 00A8DD
So, other than the fact that the central electrics module on the mk8 has lots more slave devices - the general arrangement of master/slave modules is exactly the same!
On the mk7, OBD11 calls the "slave" modules Subsystems and access is allowed to these modules via the button shown on the first screen-shot below. I've also shown how to select the front wiper and its long-code string in the subsequent screens. Again, this is for a Mk7!
On your screenshots for the mk8 - the Subsystem option is missing from the OBD11 software (no, "Subsystem" is NOT the same as "Adaptation")! This raises the obvious question - why?
I don't know the answer - maybe development for the iOS version of the OBD11 software hasn't progressed this far - or maybe the peripheral modules on a mk8 do NOT have long-code strings. Again, I don't know the answer!
Don
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drg
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Post by drg on Jul 19, 2023 13:19:57 GMT
Appreciate the thorough response dv52 (Australia)Ill have a dig around, BTW I'm using the android version of the ODB11 app. Odd that Subsystems isn't there I wonder if they have called it something else or hidden it from us as to push the app based credit system?  |
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Post by dv52 (Australia) on Jul 19, 2023 22:09:17 GMT
Of course anything is possible - but I wouldn't have thought that this matter was related to the Android version of OBD11 software. Historically, it's the Android version that has had priority for software development in OBD11 releases (the iOS version OBD11 software has generally lagged behind). Maybe a little more information might aid in your understanding of this stuff. So far, I have used words like "Subsystem" and "master/slave" to describe these peripheral modules.
However, these "minor" modules have an entirely different communication topology to the normal CAN protocols that govern the way that the primary modules talk to one another. For these peripheral modules, the method of comms between the master and slave modules use what's known as LIN (Local Interconnect Network) technology.
LIN is a slower, single-wire communication system which as the name infers - creates a separate localized network to the normal CAN network. There can be multiple LIN networks in a vehicle and the system permits data exchange between one LIN master module and up to 16 LIN slave modules.
The reason for explaining this is to emphasize that reporting LIN based information in a SCAN report requires different software to reporting details about the primary CAN modules.
Maybe it's a software development thing - I simply don't know why!
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drg
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Posts: 14
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Post by drg on Jul 20, 2023 16:58:26 GMT
Yep that all makes sense , I'm in an engineering field I'll have a play around some more and see what I can find, it's a shame that a lot of it is German though Cheers |
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