The Original i30 Owners Club

GOT PROBLEMS OR ISSUES? => GENERAL => Topic started by: Evelator on March 20, 2016, 09:25:19

Title: Bulb Broken? Engine light in hud is not turning on
Post by: Evelator on March 20, 2016, 09:25:19
Hello,

well, i live in germany ;D So i want as allways all two years to "TÜV". Well, everything on my car was OK .... except one thing. The MIL-Lamp. This lamp in my HUD shows every start up.
I never noticed it, because i take a look, and when all lamps are off, everything is fine. Back to the problem, because of this lamp, the guy from TÜV cant make his final exhaust check.

I put ODB Diagnostics and it and it shows the following error:

P0160 O2 Sensor Circuit No Activity

With this error, i drive to my Hyundai Dealer, for more informations .....
After ~2h of waiting and 80€ later, i got the same result and the information, that they install a other HUD, and the error is still there. They tell me, that a troubleshooting can take several days, and if they find it and replace the parts (Motor Controlunit / harness) cost ~2000€ - 3500€ .... and this is too heavy for me.

So i begin to search.

I disassembles my HUD, replace two LED .... so the flickering of my HUD display stops  :crazy2:
So i checked the bulb of the mil lamp too. The mil lamp works find.

After this, i checked with my ODB Diagnostics the function of the lambda probe. So i checked the realtime stats, press the accelerator and watch the stats switch.
Because of this and the fact, i didn't need more fuel as allways, i think the lambda isn't the problem. Also the fact, that i get the correct reaction from the ODB, i think the Motor Controlunit isn't the problem too....

So what can it be? I think its a broken cable .... and here we are, the problem, at that i cant solve at the moment.

Where can i get a pinout of the connector to the Motor controlunit? Or which wires are the one, that i have to check (Colours of the cables are enough   :happydance:)?
Anyone had that problem too?

My Car:

Hyundai I30, 1.4 CW (FD), Buildingdate: 11/2010


If you need some information's, ask me ;D Home someone have a pinout or something  :sweating:
Title: Re: Bulb Broken? Engine light in hud is not turning on
Post by: Phil №❶ on March 20, 2016, 10:08:01
Try this, hope it's useful.

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Title: Re: Bulb Broken? Engine light in hud is not turning on
Post by: Evelator on March 20, 2016, 10:48:34
Hiho,

this looks very very confusing  :crazy1:

But it seems to be, what i search  :goodjob:
Title: Re: Bulb Broken? Engine light in hud is not turning on
Post by: Evelator on March 24, 2016, 12:38:04
Hiho ;D

it took some time and skin (this car is really sharp on some edges!) but it works now. The problem was on a connector at the passanger seat. The EC11 connector had a broken cable near the connector pin 18.
For all who have this problem in the future .... good luck by fixing it.

Thanks for the MFI Control System schematic. it help me a lot!

Evelator


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