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The mkiv Supra Owners Club

Warning lights on. (Problem solved).


Kaan W

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The syvecs wont let you drive it properly if something is wrong! it will be in limp mode mate.

 

Go for a burn tonight

 

Need to remount the intercooler for my bumper to fit properly. And no bumper is no number plate and no indicator lenses = :bobby:

 

Otherwise I would :D Definately one of my jobs tomorrow to remake the brackets and fit the bumper and go for what I would call my first drive in the supra :)

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  • 4 weeks later...

Still have these 2 lights on and am running out of ideas.

 

I have checked the brake fluid level and topped up to the top of the max line, handbrake is fully off, nothing flashes or goes off when overdrive is pressed or depressed.

 

Anything else I should check?

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  • 2 weeks later...
I've solved my warning lights :) It was my caliper and all I did was top my brake fluid fully and it's working fine now ;)

 

Yeah thats probably the most common problem of warning lights. I topped mine up to the top of the MAX line and there still on. Also handbrake switch is functioning properly.

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Not yet matey. I was just trying to work out why none of the lights were on when I bought the car. Could it be that the spoiler switch was un plugged and now ive plugged it back in?

 

Possibly. I'd go for that mate.

 

Either that, or just glue some pasta over the warning light to make a pretty backlit bit of art. May I recommend the wheel shaped pasta :p

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Possibly. I'd go for that mate.

 

Either that, or just glue some pasta over the warning light to make a pretty backlit bit of art. May I recommend the wheel shaped pasta :p

 

Yeah I was looking into getting it covered in pasta but I use my car as a daily and didnt fancy towing it around to get the pasta installed. I could do it myself but if it goes wrong the cars finished mate.

Edited by Kaan W (see edit history)
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  • 1 month later...

Ok so after alot of hassle trying to figure out what the problem was, I just switched the led rear lights back to my oem ones and like magic all my warning lights have gone out! I had another yellow light on the dash next to the battery light which shows the car headlights which I thought was normal to say the lights are on, but this has gone out too.

 

So any idea why the led lights are causing the warning lights to come on?

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Something to do with a ballast resistor needed across positive and negative at the LED light cluster, to fool the warning light system that you don't have a bulb out.

 

LED's simply don't draw enough current compared to stock lights and therefore the system thinks you have blown a bulb and registers it as a fault.

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I'd ask heckler mate. I'm sure I've read at some point on here people having dramas with led lights and warning lights, and Si had the answer........just can't remember where I saw it :rolleyes:

 

Ok I will thanks mate.

 

Something to do with a ballast resistor needed across positive and negative at the LED light cluster, to fool the warning light system that you don't have a bulb out.

 

LED's simply don't draw enough current compared to stock lights and therefore the system thinks you have blown a bulb and registers it as a fault.

 

So this is needed in the actuall light itself? Si (Heckler) told me the leds draw a massive current from the battery which is why another problem I have is half the leds do not light when the engine is not running.

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Right,

 

The LED lights should not cause this, in all the sets I've made since 2006 for the UK, USA and Australia - including the 4 sets I've had on my own car, I've never seen or heard of this

 

and ref the current draw - its not current it the voltage - the LED lights are designed to run at 12.6 volts plus. A 12v battery on its own is never 12v, more like 11.5v ish. LED's are very fussy over supply voltage.

 

No Ballast resistor is required across the brake lights for the Bulb Failure system - I've always removed the Bulb Fail ECU in the boot.

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