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  • Originally posted by cuda View Post
    Well mines going back to Toyota. DPF is definitely playing up. Performed a burn and with 20km DPF is already 30% full. Toyota confirmed that the new firmware uses the differential sensors and feeds this back to determine how full the DPF really is. It will override the algorithm if the value is greater than the calculation. Should know by mid next week if the DPF is defective or blocked. Hoping to get the button installed as well.
    I am experiencing similar characteristics. After a regen the DPF % will zoom up faster than 1% per Km to 50-70%.
    Then it will dive to below 30%, and then increase slowly. This would occur driving around the city. Had been getting 230-332Kms between regens on the new ECU firmware.

    Over the ANZAC break went for a 1,800 Km holiday, mostly on the highway (110Km/hr) with about 150 Km on beach and dune tracks.
    Logged many Regens. The Kms between regens on the highway dropped from mid 200Kms to 95, 109, 147, 165Km.
    The regens went quite quick tho, in 25-31Kms. Happy with that.
    On the dune track I watched a regen complete in 4kms. Happy with that too.

    However my new DPF button doesn't work, so its back to the Dealer on monday.
    I'm not going to worry about the new/variable regen duty cycle until I see a few more thousand kms.
    RPP
    Senior Member
    Last edited by RPP; 02-05-2019, 07:09 AM.

    Comment


    • I am still unsure about what that bloody button does. As I posted above I went back to the dealer and the Tech bloke clearly showed me that the button worked as it should and we turned the burn on and off etc. BUT 200 + KM later the DPF should be over the magic 28% but no amount of pressing the switch initiates a burn. This raises the question that maybe the switch is there to turn a burn OFF if you don't want it at that point eg. parked in long grass??? Does anyone really know what it does and how it works [including the dealer network]?

      Comment


      • Originally posted by 404pug View Post
        I am still unsure about what that bloody button does. As I posted above I went back to the dealer and the Tech bloke clearly showed me that the button worked as it should and we turned the burn on and off etc. BUT 200 + KM later the DPF should be over the magic 28% but no amount of pressing the switch initiates a burn. This raises the question that maybe the switch is there to turn a burn OFF if you don't want it at that point eg. parked in long grass??? Does anyone really know what it does and how it works [including the dealer network]?
        Either go to the Toyotamanuals.com.au web page, or click the link provided a few pages back here and print off Toyota's "Diesel Particulate Filter (DPF) Information Booklet".
        Or google it on the web.

        It explains exactly how it should work on a Prado. If the button is working, it says there should be a 5 second warning on the screen on startup when the button is enabled (ie DPF over 28%).
        If you have a Scangauge reading the DPF saturation level you will see the DPF % reading also. If you don't then I wouldn't assume that it is over 28% if I have driven 200+Kms as regens can happen under 200Km. Your DPF may be at less than 28%.
        RPP
        Senior Member
        Last edited by RPP; 06-05-2019, 09:49 AM.

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        • After 280 km the car did a burn lasting about 12km at 80-100kph. Idle at 900rpm. BUT still no flashing light and still no action possible using the switch despite my post above with the Tech using the laptop and showing me that all was well. What gives? I think that custom mode is NOT enabled despite the Tech saying that it is and showing me it was working. Any similar issues?





          Comment


          • Originally posted by RPP View Post

            I am experiencing similar characteristics. After a regen the DPF % will zoom up faster than 1% per Km to 50-70%.
            Then it will dive to below 30%, and then increase slowly. This would occur driving around the city. Had been getting 230-332Kms between regens on the new ECU firmware.

            Over the ANZAC break went for a 1,800 Km holiday, mostly on the highway (110Km/hr) with about 150 Km on beach and dune tracks.
            Logged many Regens. The Kms between regens on the highway dropped from mid 200Kms to 95, 109, 147, 165Km.
            The regens went quite quick tho, in 25-31Kms. Happy with that.
            On the dune track I watched a regen complete in 4kms. Happy with that too.

            However my new DPF button doesn't work, so its back to the Dealer on monday.
            I'm not going to worry about the new/variable regen duty cycle until I see a few more thousand kms.
            I think you need to request they look at your DPF. I took mine into Toyota and they said nothing was wrong and had reset everything. Funnily though it came back from the workkshop with an increase of .5l/100km . SUPERBURN I suspect. Now behaving differently. Current run I'm at 80km and only 20% full and this was after previous run of 267km and temp reaching 720 deg which is greater than ever before. Percentage increase is now stable and fuel consumption is terrific.
            2018 150 Series Crystal Pearl Prado VX 2.8l. 2 inch King springs and Bilstein shocks, Airtek TJM snorkel.

            Comment


            • Question for those with 2018 and beyond as well as those who have custom mode enabled with or without switch. Do dpf burns ever occur without the light flashing as mine appears to be doing? Currently I believe that custom mode is NOT enabled on mine despite the dealer tech bloke saying it is [ as per post above].

              Comment


              • My 08/18 light never comes on for a dpf burn it just says it will come on if you need to do a manual regen or if there is issues with the dpf

                where do I see this percentage ? I’ve never seen it? I’ve noticed a strange smell sometimes comming in to the garage to park the car smells like burning rubber ? Would this be the dpf smell ?

                Comment


                • OK Ta.Yes that would be the DPF smell because it will be very hot in the exhaust during a burn. If it is an auto it will also be idling at 900rpm or 1200 if a manual.

                  Comment


                  • Just got my 2018 Prado back from the dealer. Their second attempt to have the new DPF switch work in custom mode failed.
                    They understood the mode this time and had a few goes at programming the ECU but gave up.
                    They've sent an enquiry to the Toyota HQ help desk.

                    On the plus side tho' I got a copy of their 34 page DPF Button Installation guide.
                    The installation process involves pulling just about all dash panels, radio, instrumentation, trim out and a lot of wiring and fiddling with conectors.
                    Just the sort of thing that can lead to mistakes that would be hard to track down.
                    RPP
                    Senior Member
                    Last edited by RPP; 07-05-2019, 08:46 AM.

                    Comment


                    • Originally posted by Gurilla View Post
                      My 08/18 light never comes on for a dpf burn it just says it will come on if you need to do a manual regen or if there is issues with the dpf

                      where do I see this percentage ? I’ve never seen it? I’ve noticed a strange smell sometimes comming in to the garage to park the car smells like burning rubber ? Would this be the dpf smell ?
                      To see the DPF percentage you need an OBD scanner that reads it.Toyota's display does'nt provide that type of data.

                      Comment


                      • Originally posted by RPP View Post
                        On the plus side tho' I got a copy of their 34 page DPF Button Installation guide.
                        Hi RPP,

                        If no copyright issue, would you please send me a copy? I will PM you my email, thanks in advance.

                        Cheers,
                        2018 Prado 150 VX ARB Summit Bullbar ARB Recovery Points Toyota Towbar Rhino Backbone Pioneer Platform Provent Catch Can Dual Battery Blacksys CH-200 and more to go

                        Comment


                        • sorry mate, it was an interesting but complicated set of instructions that I didn't need so I tossed it.
                          It only came with 34 pages of installation instructions. It didn't come with the necessary ECU reconfiguration instructions (using Techstream I'm guessing).

                          My dealer hasn't given up and is having a third go at getting the button to work in custom mode next monday.
                          Its all under a warranty.

                          Comment


                          • I had my 'checkup' for the DPF in March (2017 GXL manual) - no button, dealer said that it wasn't needed, no DPF manual (no paperwork either - was told I don't need to worry about that sort of stuff..). For the last 1000km the DPF has been kicking off every time I start the car and the ambient temperature is below 20C. Have emailed Toyota with a log but absolutely nothing from them.

                            Any thoughts? (I'm not sure if they are dissing me because I'm female).

                            Comment


                            • Originally posted by birdsam View Post
                              I had my 'checkup' for the DPF in March (2017 GXL manual) - no button, dealer said that it wasn't needed, no DPF manual (no paperwork either - was told I don't need to worry about that sort of stuff..). For the last 1000km the DPF has been kicking off every time I start the car and the ambient temperature is below 20C. Have emailed Toyota with a log but absolutely nothing from them.

                              Any thoughts? (I'm not sure if they are dissing me because I'm female).
                              Google "Toyota Diesel Particulate Filter Information Booklet" and print it out.

                              Page 3 explains various scenarios where you would benefit from a manual DPF regen button.
                              Page 9 explains the "Custom Mode Regeneration" that you will also need to ask for if you fit the criteria.

                              Also, if you have got the recent ECU Update also ask them to enable the "Custom Mode" that goes with that update. It will tell you when the DPF is undergoing a Regen.
                              If you have a Scanguage monitoring the DPF already then I wouldn't sweat over getting that feature enabled.

                              If, like some of us, you are driving around farms or remote tracks over dry grass/spinifex then ask your Dealer to put in a request to Toyota Australia for permission to install the button (as the vehicle is still under warranty) with "Custom Mode Regeneration".
                              If they push back, go to another Dealer who understands the matter better.

                              Not sure what you mean by ".. for the last 1000Km the DPF has been kicking off every time..."????
                              RPP
                              Senior Member
                              Last edited by RPP; 16-05-2019, 07:23 PM.

                              Comment


                              • Well mine has had custom mode enabled and a switch installed and they have had 3 go so far] at getting it to work! I have no faith in dealers being able to get this right. [are you listening Mr Toyota?]

                                Comment

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