Check IMA, check charging system, check engine - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
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post #1 of 15 (permalink) Old 02-05-2016, 09:40 PM Thread Starter
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Check IMA, check charging system, check engine

Hi all,
I've seen a lot of posts about issues with the IMA light coming on and was hoping to get some help from anyone who has had the same issue.

I bought my 2011 cr-z MT last March. After about 2 months the battery died and I had to have a jump when I was leaving work. After that the Hill start assist and VSA wouldn't work. Everything else was fine and since I didn't like the hill assist feature it did t really worry me.

Last week when I was driving home from work the check engine, check IMA, and check charging system all lit up. No battery power while accelerating, no charge while breaking. I ch caked the fuses and the fuse for IMA2 was blown. Replaced it and everything was fine...for about 12 hours.

I've replaced the fuse twice now but it always breaks after about 20 miles. I'm planning on taking it in to the dealer where I bought it but I'm pretty sure the warranty expired last month-I didn't get he extended because I'm poor. If anyone has any ideas I'm all ears!

Thanks
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post #2 of 15 (permalink) Old 02-05-2016, 10:21 PM
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I'd take it to the dealer to check it out. It'll cost around $100 or so, but ask them if anything's still covered--they might give you a break. My own experience with the IMA going dead, was with my 2002 Insight with 180,000 miles on it (a few years ago.) I did drive it around for a while without IMA working, but really couldn't stand the lack of power, and had it replaced. Sounds like you don't have enough extra in your budget to allow for a replacement, but if you're going to keep the car for a long time, it will pay for itself (or hope they'll give you a break on the price--as they did for me--or that they'll cover it under warranty.)

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post #3 of 15 (permalink) Old 02-06-2016, 12:42 AM Thread Starter
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Thanks for the advice. I'll probably take it in next week...is there a chance that a local mechanic could work on it rather than a Honda dealer? This is my first hybrid so I'm a little lost about service.

I'm the mean time my bike is getting a good bit of use as well as the city public transport.
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post #4 of 15 (permalink) Old 02-06-2016, 02:30 AM
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There's not much chance in finding a local mechanic who'd be able to properly diagnose the IMA system. I've done all of the mechanical work on my cars for many years, but I'll let Honda take care of the IMA, if needed. The problem could be anything from a bad IMA battery cooling fan to the battery control module and/or the motor control module, or the IMA battery module itself. Hmmmmm...I don't even know enough to name all the possible parts, LOL, but you get the idea. Let Honda tell you what needs to be replaced and the cost, then you'll know what you're getting into. If it turns out to be the IMA battery module, you may be able to get one from a salvage yard, but don't get one that's been sitting around for more than 30 to 90 days--non-use is the bane of battery's life expectancy.

Let us know what you find out after getting it diagnosed, and we can go through your options from there. Good luck!

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post #5 of 15 (permalink) Old 02-06-2016, 09:31 AM
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Originally Posted by Ngranello View Post
Thanks for the advice. I'll probably take it in next week...is there a chance that a local mechanic could work on it rather than a Honda dealer? This is my first hybrid so I'm a little lost about service.

I'm the mean time my bike is getting a good bit of use as well as the city public transport.

Being a 2011 it may still have IMA system warranty left. Get it to the dealer ASAP every day you wait is another day gone on the warranty. The warranty I believe is 8 Years 80K miles if Originally purchased/registered in a non CARB state longer if a CARB state . Dealer should diagnose and tell you.
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post #6 of 15 (permalink) Old 02-06-2016, 05:40 PM Thread Starter
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I found my warranty information. I've still got 2 years left on the powertrain coverage. I'm not totally sure what all that covers but it sounds promising. Gonna take it in on Tuesday, I'll post an update then.
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post #7 of 15 (permalink) Old 02-06-2016, 06:06 PM
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I found my warranty information. I've still got 2 years left on the powertrain coverage. I'm not totally sure what all that covers but it sounds promising. Gonna take it in on Tuesday, I'll post an update then.
There is a separate warranty for the IMA it is longer than the Power train so that is good news.
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post #8 of 15 (permalink) Old 02-11-2016, 11:31 AM Thread Starter
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Turns out it was the fan blower motor. They have to order a part and it's not covered by the warranty. Total cost is about $768...not awesome but I can handle it.
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post #9 of 15 (permalink) Old 02-11-2016, 12:14 PM Thread Starter
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Apparently the IMA warranty is only good for 3/36000 in Texas...
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post #10 of 15 (permalink) Old 02-11-2016, 12:38 PM
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Apparently the IMA warranty is only good for 3/36000 in Texas...
Was yours purchased originally in TX? The IMA warranty is based on state first registered and the warranty book has a URL you need to go to figure out if it is a CARB state or a non CARB and the exact coverages. My selling dealer was clueless on the IMA warranty I had to ask and they still gave me the wrong information. I had to read my book.

Double check as dealers would rather have you pay then get reimbursed from Honda.
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