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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by madasafish on Today at 11:08:45 AM »
I certainly would not buy a car with that fault. Period.
If the manufacturer does not resolve it free of charge, I will never buy another Honda.
And not having repair kits available for a common fault is disgusting.

UK consumer law is quite clear on this issue with cars..
Honda should be ashamed of their actions or lack of them.

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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by RA273 on Today at 10:44:32 AM »
I am a bit confused by the chassis numbers on the list on page 4.   They show 7 digits.  My car appears to end in  6 digits    2021** 

If I ignore  the first digit  this appears to put my car within the GR3 1200001  -GR3 1218092
May21 3rd  year of Reiwa  (21 may 2021) to 2 Feb  4th year of Reiwa   (2 feb 2022)  which is about right as the car was delivered in October 2021.   

Is this correct?

It might be that the 7 digits are referring to the engine number, as the brake servo is bolted onto the engine (on the backside).
My 2022 Jazz has engine number GR3-LEB8-3102084 , condensed to GR3-3102084 there is no match in the list.
I guess the Honda dealer or importer should know what the 7 digits are referring to.
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by Cobb2 on Today at 10:10:20 AM »
For those interested or perhaps you have seen it already since you are worried about your brakes and been trawling the web -  there is an interesting recent thread on Honest John  concerning Brake Servo Failures.

https://www.honestjohn.co.uk/forum/post/197644/honda-jazz-hybrid

Looking at the Japanese translation (thank you for doing that FMIB)  like "Lord V"my car might be in the list if you ignore previous letters and numbers, but not sure if that will be the case or relevant here. I have mentioned it to my dealer but they say they can only go on what UK Honda say. The dealer has dealt with several of these faults before and currently has one order for someone coming in mid April. Mine may get diagnosed today if they have time and then they may contact Honda for goodwill. As I said before we will see!
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by Lord Voltermore on Today at 09:27:07 AM »
I am a bit confused by the chassis numbers on the list on page 4.   They show 7 digits.  My car appears to end in  6 digits    2021** 

If I ignore  the first digit  this appears to put my car within the GR3 1200001  -GR3 1218092
May21 3rd  year of Reiwa  (21 may 2021) to 2 Feb  4th year of Reiwa   (2 feb 2022)  which is about right as the car was delivered in October 2021.   

Is this correct?   
5
I have no knowledge of the mirror but I will make some theoretical suggestions  - which may be wrong. :-[

A few mk4 owners have had problems with the right hand mirror .These were replaced under warranty. Some have solved the problem themselves with carefully targeted  light lubrication.  But I am not sure this is your problem.

How does the electric motor 'know' when it needs to stop?  If there is only one motor and cog wheel  it may run backwards and forwards  by reversing the polarity so there may be two stop positions.  There may be some sort of position sensor  in the mirror that cuts power when the mirror is fully extended or fully retracted. Maybe this has become desynchronised or displaced.  But the mechanism may be built in to the motor and not immediately obvious  , or tripped by a lug on the cogwheel  ,that maybe worked when first fitted  but not tripping it now.        Its also possible the broken cogwheel was the result of the motor over running previously ,  not the cause of the problem.  It might be able to tolerate  a certain amount of over run for a while without breaking or wearing out.   

Another possibility is that power is cut  by some sort of electrical device when it senses   the motor is under strain because the mirror has reached its position. It would also give protection if the mirror is obstructed in some way, such as by  ice.  Maybe if there is such a device it has  failed .  But it need not be in the mirror itself,but elsewhere as part of complex electronics.   :(

Does the mirror work ok if you use the manual  mirror fold switch in the drivers door?  Could the switch be faulty.? But i would have thought this would affect both mirrors. 
Does the passenger mirror  motor stop running as it should?   
These things might help you isolate the cause  .

If you dont mind some extra work, you could as a last test  unplug the mirror wiring  and using extension wires  connect the left mirror to the right side wiring   and then vice versa.  If the problem migrates to the other mirror  the problem may be central to the car internal  wiring. If the same mirror continues to be faulty   the fault lies within in the mirror and it may be easier  to replace it.  You may be able to get a second hand one for not much more than you paid for the cogs.  There are  used parts search web sites. Enter what you need for free and various breakers yards  send you their price. A bit like a personalised ebay listing. 

  Or dont bother with the rewiring trick and replace it anyway.    If it  later proves both mirrors are ok you could  re sell one  and get some of your money back. 
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by Kremmen on Today at 03:57:40 AM »
Sounds like Honda need to get these kits sent to the UK asap knowing they are going to be needed

Having to wait months for repair due to parts supply is unsatisfactory

... and while your car is standing around waiting, the batteries are probably degrading which may lead to future problems
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by Cobb2 on March 27, 2024, 10:19:21 PM »
It does look as if there are at least 5 or 6 similar problems just on this forum and looking at the CRV forum and Japanese "recalls" list it may well be fairly extensive or possibly so in the future. Once my garage have actually diagnosed the fault, although it certainly looks like it will be the brake simulator from these posts, I will certainly expect a goodwill gesture on a car of this age and mileage and if not I will take it further with Honda and elsewhere if necessary.
Like most Honda owners I have always been impressed with their reliability and advocated them to many friends and so I really do hope they will sort these problems out in the right way for all customers.
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by aphybrid on March 27, 2024, 09:42:46 PM »
I say again -

Martin Lewis? Which? & possibly AA?
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Honda Jazz Mk4 2020 - / Re: Mk4 2021 Jazz Brake failure
« Last post by embee on March 27, 2024, 09:24:11 PM »
This sounds like a significantly growing problem.  I'd be amazed if a manufacturer could get away with dismissing the issue or making customers pay for it to be fixed,  imagine the negative press it would lead to. Who would want to buy a used example if they could be landed with a disabled car and a £1500 bill shortly after buying a 3yr old car?
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Honda Jazz Mk2 2008-2015 / Driver side electric folding mirror
« Last post by Theaah on March 27, 2024, 07:07:25 PM »
I have a 2009 registered September Mk2 Honda Jazz V-tec and recently the mirror stopped folding in when I pressed the button on the dash. The near-side mirror was folding in and out OK. I considered buying a second hand replacement complete unit but was put off by the cost, especially when I saw an on-line post suggesting the problem may be a small nylon/plastic gear that may have broken. On disassembling the mirror unit the cause was said gear.
I bought a replacement gear for £19.99 and fitted it 7ndays ago and all was working fine, until today when the driver side mirror would not fold back in. The mirror motor seemed to be still running but the mirror would not fold out from its "in" position,  so I once again took the mirror unit to bits expecting the (recently purchased) gear to be broken and at fault. Unfortunately it wasn't and I couldn't see any other gearing problem from within the unit when it was stripped down. I re-assembled the whole unit again and when I plugged in the mirror connector unit and tested the mirror, it was folding in and out but the mirror motor seemed to be permanently running when the mirror unit was folded at both "in" and "out" position.

I haven't done anything different from when I fitted the replacement gear and assembled the mirror unit (as far as I know).

I shall be most grateful if anyone can suggest a solution as to why the mirror motor is constantly running?
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