HOW TO DIAGNOSE AND REPLACE DAF TRUCK ABS EBS ECU

Автокөліктер мен көлік құралдары

#daf Wabco #ebs #ecu braking system diagnostic. In this video we diagnose a red DAF trucks wabco EBS braking system malfunction causing power supply issues with the EBS ECU. after some further testing I come to the methodical diagnosis that the EBS ECU is at fault and requires replacement
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Пікірлер: 30

  • @hgvtechnician
    @hgvtechnician Жыл бұрын

    Great video m8

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Glad you liked the video buddy and thanks for the comment 😀 👍

  • @joemengler1666
    @joemengler1666 Жыл бұрын

    When your program do you copy & paste the parameters from the old unit or get them from from davie ? Love your videos dude 👍🏻

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hey Joe. Thank you for the support buddy. 🙏 I pull them from the back office at Daf, but I'm looking into more ways to do this, which I want to cover in the future, I'm awaiting TEXA to get in touch with me about ecu copy and paste with their new tablet and also I'm looking at swapping EPROMs from one faulty ebs unit to a new or 2nd hand one BUT my component removal and replacement skills need a bit more work before I do a video lol

  • @hgvtechnician

    @hgvtechnician

    Жыл бұрын

    @@TRUCKTECHUK Couldn't this be done with KTAG? just wondering.

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    You can use ktag up to hardware numbers like 187xxxx. with hardware numbers like 2xxxxxx ktag will not work. anything after 2018 is locked. I'm sure something will become available eventually

  • @hgvtechnician

    @hgvtechnician

    Жыл бұрын

    @@TRUCKTECHUK Oh interesting to know. Hopefully would save time to reprogram all over again

  • @andreagiudici926
    @andreagiudici926 Жыл бұрын

    Do you know if the data on the obd port must be activated from the dashboard? I plugged a generic obd reader and i find no data on the obd port. Thanks

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hi, thanks for the comment. A generic code reader won't work. You need to use diagnostic protocols for heavy-duty commercial vehicles, specifically SAE J1939

  • @andreagiudici926

    @andreagiudici926

    Жыл бұрын

    @@TRUCKTECHUK thanks for the info!

  • @simeontjatji3391
    @simeontjatji3391 Жыл бұрын

    I have Ebs mulfunction and yellow transmission warning can emodul2 cause this problems

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thanks for the comment. You will need to get the diagnostic trouble codes out of the vehicle and do some diagnosis unfortunately

  • @simeontjatji3391

    @simeontjatji3391

    Жыл бұрын

    @@TRUCKTECHUK okay thanks

  • @arminteymoori385
    @arminteymoori38511 ай бұрын

    Hello, is your diagnostic device online? Is there a way to use it offline because I don't need programming, I just want troubleshooting

  • @TRUCKTECHUK

    @TRUCKTECHUK

    11 ай бұрын

    Davie unfortunately needs to be online to be used. If you want offline diagnostic and troubleshooting just like Davie without programming I suggest you enquire about Jaltest from Eclipse here: www.trucktechuk.com/jaltest

  • @gathmc
    @gathmc Жыл бұрын

    hi chap wondring if you can help, i got a euro5 cf 85 6x2 unit has a strange fault i not been able to sort out, when fault is active get transmission fault and abs fault on dash when put computer on in transmission has error 3198-8 can message wsi from break system invalid signal . ebs module has error64-64 rear axil modulator d978 comunication problem / no power. when you go in to check voltages in module there it says when the errors are active only 2.5 volts on pin 9 when you mesure the voltage its all fine. ive checked the cables to rear break modulator ive changed rear break modulator and ive changed the ebs module. when the error is active and you manualy put power directly to the rear break module both errors go away. any sejestions. thanks in advance.

  • @gathmc

    @gathmc

    Жыл бұрын

    forgot to say all imput power to the ebs module are there p7 p8 p9

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    It's a CAN communication/power/earth problem from the EBS ecu unit (D977) to the rear axle modulator (D978). pins B1 and B4 of the EBS ecu (977) needs to be individually load tested with a bulb with a 24v power supply to the rear axle modulator to pins A4 and A3. Possibly B7 of the EBS ecu (D977) to the EBS module (D978) pin A1 is interrupted so load test that too Also check the for a Interrupted earth connection or contact resistance in the earth connection of the rear axle modulator (D978) on pin A2. The reason the voltage drop/Comms is the ECU sees a problem with the power/communication so shuts down the system. I personally would be running new wiring in from ECU to module as the wiring wasn't the best on euro 5.

  • @gathmc

    @gathmc

    Жыл бұрын

    @@TRUCKTECHUK hi thanks for getting back I had run a new power wire directly from ebs and ground wire right to cab earth point. Your telling me euro 5 wiring sucks. All hard bumpy gravel roads hear everyday is another gremlin with these trucks. Anyway thanks again I will have another go with that unit tomorrow and let you know

  • @behroozsaakoo9386
    @behroozsaakoo9386 Жыл бұрын

    I'm from Iran, how to solve the DAF Truck online diag problem, I need help

  • @huseyinkaraarslan9648

    @huseyinkaraarslan9648

    2 ай бұрын

    3:48

  • @huseyinkaraarslan9648

    @huseyinkaraarslan9648

    2 ай бұрын

    Türkiye

  • @fawazkhan2988
    @fawazkhan2988 Жыл бұрын

    Were can i find this adaptor

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thank you for your comment Do you mean the loom @ 2:33 ? I made that myself for doing this sort of test 👌

  • @fawazkhan2988

    @fawazkhan2988

    Жыл бұрын

    @@TRUCKTECHUK no the paccar adaptor with the obd 2 cable

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    @@fawazkhan2988 oh the VCI! that's the interface for DAVIE thats a PACCAR dealer only product

  • @fawazkhan2988

    @fawazkhan2988

    Жыл бұрын

    @@TRUCKTECHUK send me the link so i can porches it

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    @@fawazkhan2988 the system is £13000 pounds and is available from DAF. You will have to go to your nearest truck dealer to purchase it

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