Did something VERY stupid ...Have i wrecked my Yaris?

[Stabilo]

folks,

Hope someone can help... went to jump start my 2000 Yaris and didnt realise i had the lead on the wrong battery poles (idiot!) ...reverse polarisation i believe its called ...there was a few sparks with car starting up then it died and no electrics are working at all!!

Im hoping i've just blown fuses? or have i done something much worse??

I replaced 2 of the small sized fues (15 amp) in fuse box beside the battery that i could see had blown but that hasnt made a difference.

Would i have blown the main fuse and where is this located?

Any help really appreciated, feel silly enough for doing this + cant afford to be spending big money fixing it.

[goku87]

Looking at the owners manual (p263) it looks as though there is a fuse on the actual power wire off the battery. I'd check that first. Then the other two fuse boxes. Make sure you don't see any burnt wires anywhere. I would say check the voltage on the battery, but since you had to jump it I guess that would mean its already dead lol. Hopefully you didn't fry the computer. That sounds like an expensive fix.

http://www.etimago.com/yaris/repairmanual/

[Stabilo]

The problem with sending the current through the negative terminals that there is no fused protection in that direction...

You may have fried your alternator or ECU, or it could be one of the larger fusible links in your fuseboxes...

Might want to first try hooking up a new battery to see if it's not just the battery that's dead...You could also get an inexpensive voltmeter to check if there is current...

Cheers


Cheers for your reply, i'll pick up a voltmeter later and try it. I should get about 10 volts across the terminals yes?

Fact that i was getting absolutely nothing when i turned the ignition had me thinking it wasnt the battery, i wasnt even getting warning lights or engine trying to kick in. nothing.

any other suggestions i should also try? thanks.

[Stabilo]

Looking at the owners manual (p263) it looks as though there is a fuse on the actual power wire off the battery. I'd check that first. Then the other two fuse boxes. Make sure you don't see any burnt wires anywhere. I would say check the voltage on the battery, but since you had to jump it I guess that would mean its already dead lol. Hopefully you didn't fry the computer. That sounds like an expensive fix.

http://www.etimago.com/yaris/repairmanual/


Yeah really hope i havent fried the computer! reading one too many horror stories online ...has me panicking!!

I'll try that fuse on the power wire, didnt notice it earlier. thanks for your help. I'll let you know how that goes.

[CTScott]

Many cars now have reverse polarity protection, but looking at the EWDs, the Yaris definitely does not. If you are lucky the 60A main fusible link popped and possibly the 120A Alternator one as well (on that same block).

[bronsin]

I gotta believe you popped a fuse somewhere. What is the test for a fried ECM? Wouldnt there be a CEL and an error code if that was the case? Seems Ive crossed jumper wires plenty of times without this happening!
Oh boy Im re reading your post here! You hooked up the batterys backwards and THEN tried to start it? Ive touched the terminals backwards but never tried to crank it like that!

[silver_echo]

Cheers for your reply, i'll pick up a voltmeter later and try it. I should get about 10 volts across the terminals yes?

Fact that i was getting absolutely nothing when i turned the ignition had me thinking it wasnt the battery, i wasnt even getting warning lights or engine trying to kick in. nothing.

any other suggestions i should also try? thanks.

Yeah really hope i havent fried the computer! reading one too many horror stories online ...has me panicking!!

I'll try that fuse on the power wire, didnt notice it earlier. thanks for your help. I'll let you know how that goes.


not trying to be rude, but to be perfectly honest, i am 80% sure that you ECU is fried as you don't even get warning lights(my suggestion in this case, check ebay or your local wrecking yard)... for battery voltage on a goo d battery, you should be getting 12.6 volts... however, just for the sake of argument, that fusible link is a good idea to check...

[silver_echo]

I gotta believe you popped a fuse somewhere. What is the test for a fried ECM? Wouldnt there be a CEL and an error code if that was the case? Seems Ive crossed jumper wires plenty of times without this happening!
Oh boy Im re reading your post here! You hooked up the batterys backwards and THEN tried to start it? Ive touched the terminals backwards but never tried to crank it like that!

test for fried ecm, is to try a "known good" ecm... won't really be a CEL as those are governed by the ecm

[Astroman]

Someone did that to my old car, a '71 ford. Although no electronics, it did fry the alternator. Sorry, closest I could help. I dunno about where you are, but we have some places here in the states that do free alternator testing. Might see if that is something that is available in your area.

Best of luck!

[Stabilo]

lads, thanks for the suggestions so far. Im hoping it is the fusible link thats the problem ...my problem, I can't find it.

the manual for the 07 yaris seems to show it as being right beside the battery, i've looked and tried to follow the wires but cant locate it. i have a '00 model, apologies if this is a stupid question BUT could these fuses be in with one of the relays?? just i cant see any other fuses anywhere.

cheers.

[silver_echo]

lads, thanks for the suggestions so far. Im hoping it is the fusible link thats the problem ...my problem, I can't find it.

the manual for the 07 yaris seems to show it as being right beside the battery, i've looked and tried to follow the wires but cant locate it. i have a '00 model, apologies if this is a stupid question BUT could these fuses be in with one of the relays?? just i cant see any other fuses anywhere.

cheers.

do you have a squarish block that kinda hangs off the battery?

[CTScott]

do you have a squarish block that kinda hangs off the battery?

The Fusible Link Block is attached to the positive battery terminal:

25216

If you pop the cover you'll see four link locations (three of which are populated):


25217

[Morgan]

I blew my fusible link by accident not too long ago... but its located under the red cover with the "+" on it over the positive terminal, it just snaps into place. Pull the red cover off and you'll see 2 60A fuses and if you have no electrical systems working sounds like both of those fuses blew.

Good news is they are like $12 from Toyota, call them and ask them to order you a fusible link, describe its location and its a super simple install

* in the drawing above look under those fuses for the 60A fuses, those are like 20A (I think). The ones you are looking for are actually in the plastic and require that you replace the whole plastic connector piece. The 60A fuses are not relay-styled fuses

[CTScott]

I blew my fusible link by accident not too long ago... but its located under the red cover with the "+" on it over the positive terminal, it just snaps into place. Pull the red cover off and you'll see 2 60A fuses and if you have no electrical systems working sounds like both of those fuses blew.

Good news is they are like $12 from Toyota, call them and ask them to order you a fusible link, describe its location and its a super simple install

* in the drawing above look under those fuses for the 60A fuses, those are like 20A (I think). The ones you are looking for are actually in the plastic and require that you replace the whole plastic connector piece. The 60A fuses are not relay-styled fuses



From the service manual, it appears that the 2000-2002 Yaris/Echo Fusible Link was a little bit different. The Main fusible link in the picture above is the equivalent to the built into the plastic ones in the newer Yaris.

[Sir A.Y. Atoyot]

The problem with sending the current through the negative terminals that there is no fused protection in that direction...

You may have fried your alternator or ECU, or it could be one of the larger fusible links in your fuseboxes...

Might want to first try hooking up a new battery to see if it's not just the battery that's dead...You could also get an inexpensive voltmeter to check if there is current...

CheersJust a small point - a voltmeter checks for voltage. To check for current you need an ammeter.

[Sir A.Y. Atoyot]

Cheers for your reply, i'll pick up a voltmeter later and try it. I should get about 10 volts across the terminals yes?

Fact that i was getting absolutely nothing when i turned the ignition had me thinking it wasnt the battery, i wasnt even getting warning lights or engine trying to kick in. nothing.

any other suggestions i should also try? thanks.With a fully charged battery, you should get about 12 volts, since this is a 12 volt system. When the engine is running, you should see around 14 volts - this indicates that the alternator is working. Note that you could have a completely non-functioning battery or a blown main fuse, even with normal voltage. Voltage is just a measure of electrical "pressure" so to speak - if there is an open circuit (for example, a broken internal connector in the battery) little or no current will flow.

[Phaeton]

I fried the Ecu in my wifes 4-Runner the same way. A very expensive lesson to learn.

[YarisSedan]

I havent read all the post but i can tell you, you have blown the main fuse. Which is why there is no power on the dash. Some cars can start with the main fuse gone but nothing electrical will work. Replace that fuse first and see what happens. After that to check if the computer has been damaged see if the check engine light turns on and then off when you first start that car that is a indicator that the computer has completed its self check. If it dosnt come on something is damaged.

[Stabilo]

thanks for advice from all.

been away with work so havent had a chance to come back on this / try fix damage i caused.

CTScott, that drawing was spot on... i had pulled off the red battery cover but hadnt realised that same fuse pic was on the cover. fuses are in a rectangular box which is located behind the battery ...ive yet to take it out but pic shows its a couple of 60A fuses and a 100A which i've order this mornin from toyota, only cost about a 10er. So hopefully when i replace them tomorrow night it'll work ...hopefully!

again cheers everyone for advice so far, i'll let you know how it works out...

[2009Toyotoad]

Although I'm reading this topic thread for the first time. This is a dynamite response/effort from forum members. Atta-boys all around. You guys (girls) Rock!

Forum Admin please give them the Yaris forum equivalent of a gold star.
I'm seriously impressed

[goku87]

gold star, hehe. :biggrin:

let us know what happens after you get that fuse replaced. :thumbsup:

[TheRealEnth]

yeah i had to jumpstart my car last night... but i read up on how to do it beforehand =)... i checked various sources... the people that were going to jump me were about to do it wrong and i was like woah let me do it..

[CTScott]

yeah i had to jumpstart my car last night... but i read up on how to do it beforehand =)... i checked various sources... the people that were going to jump me were about to do it wrong and i was like woah let me do it..

It's amazing how many people don't realize that it's plus to plus and minus to minus. For some reason people intuitively (and of course incorrectly) think that they should cross them.

[JBougie]

I always have to stop and think about it - just becuase with, say, your tv remote the batteries are pos to neg/neg to pos so it just gets embedded into our heads. Hell even with cords you always connect the male to the female - it's never male/male or female/female - except for when you're under the hood lol

[Astroman]

Or maybe at a party in college. :rolleyes:

[goku87]

:laughabove::laughabove::laughabove:

but jumper cables are usually color coded. i dont see why people would think that they shouldn't match up the colors...?

[silver_echo]

:laughabove::laughabove::laughabove:

but jumper cables are usually color coded. i dont see why people would think that they shouldn't match up the colors...?

for those people that is because "I know better than the manufacturer"

[Stabilo]

Good evening lads!

Sorry for the delay in getting back on this after all the advice but i finally got home and got some time to have a look at the car.

i replaced the burnt out 100A fuse ...got in the car quite optimistic, turned the key but nothing happened.

I checked the battery with a voltmeter and it was practically dead (cant remember the exact reading - very low!) so i hooked up the jump leads (properly this time - lesson learned!!) and tried to start it up...

Car tried to start but just would kick in, starter was trying but engine just wouldn't kick in.

i had electrics working but battery wouldn't hold the charge then so guess that needs to be replaced as a starting point?

Even with the battery hooked up though and 12 volts on it the car wouldn't start so guess i have some other problem?

Any ideas???

Not sure what my next step is! Appreciate the input.

[Yaris Hilton]

Leave a trickle charger on the battery overnight and try again. Just might work. A dead battery will draw off so much current from the jumper that it might not start. Of course you may have to have a new battery. But I've gotten some to come back to life (for a while) that were pretty thoroughly dead.

[CTScott]

Definitely, try with a good battery to start with.

[Stabilo]

Mornin!

yeah im deff going to pick up a new battery today and try that.

One question though... Does the fact that it wouldnt start while my battery was hooked up and charging from a good battery not mean that I have some other problem ...ie. even if the battery was totally dead, when a live charge is put across it would it not be expected to function as if fully charged? (I hope im making sense there and you know what im trying to get at)

Thanks again lads - feel im becoming less of an idiot when it comes to cars by using this forum so cheers for your efforts! Given my first post was about putting jumper cables on the wrong way i guess the only way is up. haha

[CTScott]

Mornin!

yeah im deff going to pick up a new battery today and try that.

One question though... Does the fact that it wouldnt start while my battery was hooked up and charging from a good battery not mean that I have some other problem ...ie. even if the battery was totally dead, when a live charge is put across it would it not be expected to function as if fully charged? (I hope im making sense there and you know what im trying to get at)

Thanks again lads - feel im becoming less of an idiot when it comes to cars by using this forum so cheers for your efforts! Given my first post was about putting jumper cables on the wrong way i guess the only way is up. haha

Like YarisHilton said above, connecting a good battery in parallel with a totally dead battery does not always work. If the bad battery has shorted cells, it will drag the good battery down to well under 12 volts.

[bronsin]

Well you found the burnt out fuse so thats all to the good. Looks like your car might rise from the grave and walk again!

[Stabilo]

well lads, happy ending to this thread ...Car is running again!!! :thumbup:

there was another blown fuse, should have spotted it earlier, checked it about 5 times + convinced it wasn't blown but it obviously was. (didnt look like it had but changed it anyway) Lucky for me ...it turned out to be the ECU fuse which obviously by blowing saved me having to dish out a whole heap of cash on a new ECU.

Battery may need to be replaced, gave it a good aul charge but its fairly old anyway so not sure if it'll be up to the job.

So in summary without all my confusion inbetween ...Hooked up jump leads the wrong way + started car ...car died ...all electrics gone ...replaced 100A fusible link ...Replaced couple of fuses in main fuse box under hood ...jumped car properly and charged dead battery ...may need to replace battery but running right now!

Thanks for all the advice on here :bow: Im sure it was hard enough to read and post without abusing my idiocy.

So Thanks, Takk, Danke, Gratias, Obrigado, Arigato, Go raibh maith agaibh, hvala, grazie, etc...

[Yaris Hilton]

I'm glad that worked out!!!!

[BLH]

Glad you are now back on the road.
You are lucky the fuse saved the ECU.

[CTScott]

That's great news, and apparently some good design work on Toyota's side to pop a couple of fuses, rather than cooking the ECM or other electrical systems.

[bermuda boyd]

afternoon all, on this old thread about battery incorrectly installed
short:
Took a plane trip, battery down on return
charged
put in backwards
saw sparks so stopped and found no response from victim (car)
researched here and elsewhere
:bonk:
found a 'fusible link' wire at a wreckers which he gave me
nice guy
replaced it and the 15 A "dome" fuse
car works great
only radio, light and clock are off
any suggestions?
many thanks for the help
will review all the other fuses as well first while waiting
happy new year 2013 all
Boyd

[CTScott]

afternoon all, on this old thread about battery incorrectly installed
short:
Took a plane trip, battery down on return
charged
put in backwards
saw sparks so stopped and found no response from victim (car)
researched here and elsewhere
:bonk:
found a 'fusible link' wire at a wreckers which he gave me
nice guy
replaced it and the 15 A "dome" fuse
car works great
only radio, light and clock are off
any suggestions?
many thanks for the help
will review all the other fuses as well first while waiting
happy new year 2013 all
Boyd

I replied in your other thread...

[UberSilver]

Time to rent a Yaris and do some swapping:big grin:



folks,

Hope someone can help... went to jump start my 2000 Yaris and didnt realise i had the lead on the wrong battery poles (idiot!) ...reverse polarisation i believe its called ...there was a few sparks with car starting up then it died and no electrics are working at all!!

Im hoping i've just blown fuses? or have i done something much worse??

I replaced 2 of the small sized fues (15 amp) in fuse box beside the battery that i could see had blown but that hasnt made a difference.

Would i have blown the main fuse and where is this located?

Any help really appreciated, feel silly enough for doing this + cant afford to be spending big money fixing it.