Clubjazz - Honda Jazz & HR-V Forums
Honda Jazz Forums => Honda Jazz Mk4 2020 - => Topic started by: Lincolnshire Rambler on February 28, 2024, 07:27:29 PM
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So today the Jazz illuminated its 12V battery warning symbol just after powering up and starting the engine . It came on and Bong sounded ! Booked in tomorrow at Honda to have it checked out . No other issue and all 12 v powered stuff lights wipers etc as normal . Car was parked overnight and been in use everyday for quite a few weeks so not be left unused . See what the garage concludes !
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How old is the battery? Obviously good enough to power up the electronics, maybe showed too much of a dip
to the micro afterwards?
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The car was new sept 21 so 2-1/2 years or so as the battery is original
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Mine is also a Sep 21 but I've regularly used a CTEK to do it's stuff when I haven't used the car for a fortnight
I do like the claims that the CTEK reconditions the battery as part of its sequence
My previous 9G Civic was also very low mileage and still had the original battery when I p/x it at nearly 10 years old
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It's quite common for 12V batteries to fail in EV's and hybrids as they're smaller than on ICE cars. I try and fully charge mine a couple of times a year with a trickle charger just for the health of the battery. The charge given by driving seems to be only just enough to keep it going and it never seems to get fully charged.
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It’s with the dealer now so see what they find out ! Meanwhile have a HR-v to drive around in ! Bigger but not necessarily better . Engine is quieter but tyre noise is louder as is wind noise !
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So the Honda dealer has enlisted Honda technical support as the 12v battery is charged and is receiving charge . Car has no error codes. Can’t find software gremlin so the puzzle continues !
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So the Honda dealer has enlisted Honda technical support as the 12v battery is charged and is receiving charge . Car has no error codes. Can’t find software gremlin so the puzzle continues !
hmm - what was your driving-pattern in the days (or weeks) before the incident?
If you were doing just shorter trips with e.g. heated seat(s) and steering wheel it is possible that the driving time just wasn't sufficient for the system to properly recharge the 12V battery.
just my 2ç
Addendum for clarification:
These systems work "degressively", meaning: They consume a lot of power at the beginning in order to provide the requested comfort quickly and then use only a little to maintain it.
If you are doing only shorter trips, you never really get out of the high drain phase where the drain probaly exceeds the recharge rate.
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My SR doesn’t have heated seats or steering wheel . Previous week done 350 Mile trip across Derbyshire and Lancashire in weekend returning right across M62 on mon 35 min commute to work 2x daily . So no difference to my driving style . Generally don’t do short journeys . The 12 v battery hasn’t gone flat the dealer checked that first and it’s normal .
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Previous week done 350 Mile trip across Derbyshire and Lancashire in weekend returning right across M62 on mon 35 min commute to work 2x daily
That indeed should do the trick!
It will be interesting to learn what Honda says.
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I wonder where the dealers clip or probe their battery testing equipment. Is it possible they are getting a good clean connection directly to the battery, while the car itself is getting some resistance in a connection further down the line. I'm no expert. Just a thought.
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Unlikely the 23 yr old technician will have experience in testing find a local tradesman to diagnose the fault/S.
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It’s still within its Honda warranty so they are sorting it !
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Unlikely the 23 yr old technician will have experience in testing find a local tradesman to diagnose the fault/S.
D M Keith have excellent experienced service technicians. I would be pretty certain they know what to do.
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Indeed they have Nicksey! They haven’t seen this issue before so as no error codes registered they need Hondas help . Those fortunate owners to use DM K know how good they are !
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So the fault isn’t the car !! Mouse or similiar has attacked the wiring loom for the engine by chewing through all cables !! Replacement needed which insurance look like they will cover ! Just need to wait until insurance allow Honda garage to do repair and for part to come from Japan !! Ho hum
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Hope your car gets fixed soon.
In a way a relief to us others that not a fault!
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So the fault isn’t the car !! Mouse or similiar has attacked the wiring loom for the engine by chewing through all cables !!
That's a change from the usual sensor or software problems!
Has the damage been temporarily fixed with some insulating tape to get you mobile without the system throwing errors?
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Good you found the cause! What happened to the mouse? :D
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Friends of mine live in the countryside and park their cars on a gravel area adjoining a 1 acre garden. Both the Land Rover Discovery and a Volvo S40 have had rats eat the wiring causing all sorts of issues. Interestingly their son has an Aygo which hasn't been touched. Obviously not to the rats' taste, or maybe Toyota know something .......
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I’m going to see it tomorrow . It’s quite extensive and not something they would repair . Given how complex the hybrid system is I have requested the insurance company let Honda replace the effected loom with a Honda one and that way any future warranty isn’t compromised by an insurance approved garage ! Once the insurance co agree to it then Honda can order up the loom from Japan .estimated cost £2500 to £2700 …!!
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Wow. Not something you hear about often, and as mentioned.. the rest of us are relieved it isn't a car/manufacturing fault. Glad you're getting it sorted, and its all covered.
How will you prevent it happening again though? ;D
I have a friend who had a Yamaha XS 750. He went away on holiday for a couple of weeks (sans motorcycle), and when he came back he couldn't wait to take the bike out for a spin... or he would have done had mice not nested in the side panel/airbox and chewed through his wiring loom.
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I don’t think you can stop the mice entering the engine bay -an ultra sonic pest deterrent is on order for when it eventually gets repaired
And peppermint oil is something you can get in a spray …😄
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In my old garden I had success with a couple of those traps that they walk into and eat the enclosed disc
Maybe some of them near the front to entice them away
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Hi Kremmen, yes I will be trying those and sprays as well. Saw the car at garage today and the rodent has chewed the wiring in several places through to the bare metal . As it’s got wet they have corroded and hence the problem . All hidden below the fuse boxes etc so you can’t see it without taking parts off …. Massive job to replace as every single cable in engine bay is one loom …. Of course when car is built it goes in first before engine etc etc !!
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Really feel for you that is a bummer. Hopefully insurance will cough up .
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Insurance are trying to charge £200 for not letting it going to their approved body shop repairers (insured with LV). And also won’t pay for courtesy car as not using their repairer… I’m going to point out that it’s not a simple repair and the wiring loom is an integral part of the hybrid control system . As the hybrid tech is a 5 or 8 year warranty then if Honda don’t do the work using Honda loom then they won’t warranty the repair ! As as Honda said the resetting all the software and checking it all is a huge task . And needs Honda diagnostic support to do it !Looking at how extensive the loom is even the dealer can see it’s a full on task !! So lots of emails as LV try to wriggle out of the courtesy car and all that no doubt !
Hopefully LV will revert with their approval to do the work within a week or so . I don’t mind another third party doing a bodywork repair but this is too high tech to simply for some none Honda Herbert’s to have a go at !
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You are absolutely right. To have the car returned with essentially no Honda warranty is a big no no. I think this is one of those times where “Honda Approved “ is essential. Good luck !
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This non franchised approved repairer scheme is often a joke
I've heard of 'approved repairer' reprays coming back like it's been badly brush painted
My impression is that insurance companies get a backhander and Honda approved repairers would never do that
Losing the warranty should surely sink in at LVHQ or are they just robot accountants
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LV have instructed my Honda dealer to proceed with the repair . Looks like the loom on back order is expected in may ! So now can deal with LV to sort the non approved garage no courtesy car saga!!
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I've just come across a mention of Honda using soy in their wiring looms to make them more eco-friendly. Unfortunately, rodents welcome this. Here's one discussion on the subject https://www.hondacivicforum.co.uk/threads/rats-chewed-thru-my-electrical-looms.86427/. The www has more.
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Thanks ! Im still waiting the loom to arrive from japan … yes honda do have the rodent proof tape listed as an offical part number ….. £73 for a 20m roll.. I’ m in two minds to buy some and wrap the new loom before its replaced …. Of course it would be if the new loom arrived wrapped with it to start with ….
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Was discussing this with a friend the other night, who has an old Rover 75 and a Honda Civic. I told him about the soy issue and he said bizarrely it is all over the Rover owners forum about rodents eating through wiring harnesses, all of a sudden, so it affecting them as well. I don’t think soy is involved though !