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Steve Oliver

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Posts posted by Steve Oliver

  1. 23 hours ago, Britprius said:

    The 12 volt battery is there to power the accessories, and boot the computers to enable the starting procedure. Part of this procedure after system checks have been done is to pull in relays *electrically operated switches" to connect the traction HV battery. It is this battery that starts the engine using one of the two electric motors in the transmission.
    If the 12 volt battery is low the voltages from sensors in the systems are also low or missing preventing the car from going to ready mode, and starting.

    John.

    Thanks John, so one of the electric motors is the starter motor! How come it doesn't need such high current as a normal starter motor?! 🤔 

  2. I have to say the system intrigues me. I have a 2019 NX 300h - and I have an AA Car Genie fitted, which under normal circumstances monitors the car for faults - and on my previous car, a diesel Nissan X-Trail, it would happily tell me that my 12v Battery had good charge for weeks on end. Now that the Genie is in my NX, it regularly a day or so after using the car, tells me that the 12v Battery is low on charge and could do with a drive to charge it up. I have on a number of occasions now, ignored this warning and left it another week or so before getting in the car and driving it off quite normally. So now I don't know whether the Genie is misunderstanding the hybrid system and the role of the 12v Battery and is a bit hypersensitive about it, or whether actually I should be charging the Battery up far more than I am, and that I'm risking not being able to "start" the car...!?  I read, on here, I think, that the cars don't have starter motors as such and the 12v has no possible way of providing the power required to start the engine - which begs the questions: is it true that there is no "starter motor" as such, does the 12v Battery not matter much then if the charge is low, and is my Genie misunderstanding a hybrid 12v battery's role?  Can anyone with hybrid knowledge explain, please?  The answers could all be connected to your issue, I think....

    Cheers

  3. Took the car out for the first time in a few weeks today (on an allowed journey, before anyone says anything!), I noticed that a message was displayed on the Infotainment screen that said "Service Gone". This message seems to be in place of the one that normally says it can't download from the database server due to no internet. Anyone know what the significance of this new message is?

  4. For anyone interested in Android Auto in the NX and retrofitting, in the UK, I can confirm that Lexus UK are able to let you know if your car is suitable for retrofitting with Android Auto capability.  I let them have my NX F Sport 2019 model registration and they confirmed I'll be able to have it fitted from May this year.

    Just wish I knew if it was going to cost me. Nevertheless I'm quite sure it'll be worth it.

  5. On 3/9/2020 at 3:18 PM, Bamboozled said:

    Hi all - my first post as

    a) I am due to take del'y of my first Lexus soon and

    b) already looking at how vulnerable the Car will be per the stealing of its CAT(s)

    I asked the Dealer at the time of buying what the position was re defenders for the CAT and they said something akin to "we have nothing at the moment" and they did not ever say anything as helpful as your research above is suggesting.

    My mind is much more settled if your research is correct and I have no need to doubt it of course.

    Wonder if there is a Catloc for NX coming along or iyo does it actually need one ?

    Many thanks Bamboozled

    Thanks 👍 I have to say I've been far more relaxed leaving my car places since I found this out. I seriously don't think a CatLoc is required for it...

    Cheers

    Steve

  6. 12 hours ago, Don C said:

    I wouldn’t cover them either.  Just get some good quality leather wipes and use them once a month and they will stay pristine. 

    Hmm... good point.... recommendations for the best stuff to wipe the leather with? I'm used to cleaning the trim with trim cleaner, not always best for leather....

    • Thanks 1
  7. I don't believe so, but the buzz you get should change according to the distance to the nearest object (not to mention a display indicating the distance in the centre of your console) so you should be able to tell if something is VERY close. Mine also buzzes as I pull into my drive, but I'm never blasé about it, and quite happy that the car is nervous about the gap its got! Makes me think every time. Good luck with the repair.

  8. 4 hours ago, wharfhouse said:

    This prompted me to look at the IS 300h fuel consumption quoted figures - the change to WLTP figures is significant. The old NEDC for my IS 300h with 17" wheel was 65.7 mpg and the new WLTP figure is 47 mpg. That is quite interesting as I have had my car 3 years and put 42K miles on it with a good mix of motorway and town driving (I purchased it at two years old at 40K miles) and my overall average mpg for that 42K miles according to the trip computer is pretty much bang on the new WLTP figure of 47 mpg. I had a NX 300h as a courtesy car a couple of months back whilst mine was in for a service as I did have an interest in getting an SUV, and although only having it for a day, I did find that to maintain the same driving style as the IS 300h required quite a bit more throttle (perhaps not surprising but the NX did feel quite a bit more sluggish to respond) and the mpg for that day was certainly lower than the IS 300h and so based on my experience of my IS 300h mpg being pretty bang on with the new WLTP, my experience with the NX 300h for a day did bear out that the WLTP of 37 mpg would be what I would achieve for the same sort of driving.

    Fascinating! I think this may transform the way we consider quoted consumption figures in the future...

  9. 45 minutes ago, EssexGonzo said:

    I wonder if this is the EU NEDC figure (the older, wildly optimistic regime) vs the new WLTP figures for 2019 and onwards? WLTP mpg figures are much closer to real world experiences as they're actually derived from road-based testing. 

    With the latter, I'd also imagine that it would be easier to get close to the figures in a hybrid where you have a slightly higher element of town and A-road driving where the NX seems to be at its best in terms of mpg. 

    I think you're spot on here. When I queried the change with the dealer (before I purchased) he played dumb as though he'd never heard that before.

  10. 6 hours ago, Stoker said:

    I would have been going on the higher figure but taking it with a piece of salt.

    Well, you said you're getting 33ish, which is a little low, but based on quoted figures of 37, it's not far off, especially for short journeys in the winter. So,I don't think there's a problem.

  11. 13 hours ago, Stoker said:

    The main reason for changing to a hybrid was to try to reduce my carbon footprint. The fact that I am getting nowhere near the manufacturer's quoted figures - even making allowances for their exorbitant claims - made me wonder whether or not there is a fault with the car. Hopefully the second handover will through up some tips for optimal driving. Maybe it's just a case of living and learning.

    There was an anomoly in the quoted figures in the NX brochures last year - if you compare the two, one was c. 57mpg and the current brochure reads c.37mpg. The latter seems very accurate - I think the former was a mistake. Which figure are you working to?

  12. On 11/8/2019 at 11:03 AM, Stoker said:

    By changing to a hybrid we had expected to get better overall average consumption than our previous car, a Nissan Qashqai, but that doesn't seem to be the case.

    Hiya, just rreading this- I came from a Nissan X-Trail - bigger than the Qashqai and I used to get high 40s from the X-Trail - but don't be under any illusions that either of those cars are similar and therefore directly comparable with the NX. The NX is almost 2 tons in weight (luxurious and a lot of heavy tech) - so if it wasn't a hybrid, you'd be looking at about 22 mpg from an all-petrol engine. The fact that you have a hybrid means it's a lot better mpg than a non-hybrid NX (other countries) - and hence - high 30s and low 40s - but only when driven in an optimal way... "hybrid-drive"... 🙂

    On 11/8/2019 at 11:03 AM, Stoker said:

     

     

  13. On 9/20/2019 at 8:12 AM, NemesisUK said:

    I also live in an area with little in the way of street lighting but I don't use the AHS as the system is too slow to react to on-coming vehicles and too fast to react to reflections from road signs!!

    I haven't had this AT ALL. The system has never caused anyone to flash me and seems to work perfectly. Other than only operating above too high a speed. Which is a pain.

    • Like 1
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