2005 KJ Cherokee 2.8lt CRD Warning Light - AUSJEEPOFFROAD.COM Jeep News Australia and New Zealand


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Old 16-06-2015
Littlegun  Littlegun is offline
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Default 2005 KJ Cherokee 2.8lt CRD Warning Light

Hi Guys,
I have a warning light on my dash, it is shaped like a bolt of lightning, located in the lower left side of the instrument cluster, above the fuel guage.
It came on, a while after the battery light came on. So I turn around and headed for home. Along the way other warning lights came on eg. Air Bag, ABS , Brake and the radio turned off.
Car drove home OK,5 miniutes.
I could not find this warning light shown in my operating Information Booklet.
What does this warning light mean, and how can I fix the problem.

Regards Rob

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Old 16-06-2015
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glend  glend is offline
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So the battery light came on first? If you had all those lights come on its likely to be a charge problem, maybe related to the alternator or a slipping auxillary drive belt. You can check the belt tension yourself but if not the belt you will probably need an auto electrican to check the alternator output and the pulley. How old is your battery?
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Old 16-06-2015
Littlegun  Littlegun is offline
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Thanks for the reply.
The battery is about 12 months old, Red Optima.
The warning light that looks like a thunder bolt, came on first.
Then moments later the battery warning light came on.
Followed by the other warning lights.
Finaly the radio went off, thats when I turned around and went home.
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Old 19-06-2015
bobtrudi  bobtrudi is offline
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Had this problem myself, and yes, it is the alternator, as glend mentioned


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Old 20-06-2015
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I recon their is a prob with to much info on forums and internet---KISS---
the KJ alternator is not much chop - if you run lights, radios, fridges, get an upgraded higher amp output Alt - i think the upgraded KJ Alt is around the 150 amp - hurt you wallet though, from memory i think it was around the $600 mark + fitting
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Old 21-06-2015
senatorjohn  senatorjohn is offline
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My lightning bolt comes on if I press the brake pedal while the accelerator is still depressed. Is off on the next startup.
John
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Old 11-01-2018
adow  adow is offline
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My lightning bolt light comes on a few seconds after starting the car. Then once the engine is fully warmed up, if you restart the car the light does not come on. It also seems to be affected by underbonnet temps, as on a cold day it takes longer (up to an hour) before you can get the light to go off while on a hot day 10 minutes. It does not affect the driving but it is annoying.
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Old 13-01-2018
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The lightning bolt is for the Electronic Throttle Control according to the user book.
The book reckons that if it comes on solid you are able to keep driving until you can pull over, then cycle the ign key and it should go off. If it comes back on then you can still drive with no real probs but you should g and see a dealer when you can. If the lightning bolt flashes then it's probably a bad thing and you'll see reduced performance, rough idle and even stalling so go see a dealer sooner rather than later. The book then goes on to say if you brake and accelerate like senatorjohn was saying, then the lightning bolt will come on cause it thinks there is a stuck accelerator pedal for some reason, if you continue to drive like that then power will be reduced but it should come back to normal and the light go off when you next start the car.

I agree with Glend and bobtrudi that it's likely to be a charging problem/flat(ish) battery because the other lights came on. Never seen it in the KJ personally but have in other cars so makes sense to me
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