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Author Topic: Code 59 ......  (Read 606 times)

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I_want_an_Omega

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Code 59 ......
« on: 28 May 2010, 10:41:33 »
Hi,

I'm getting a "fast flickering" ECU light.

Turns out its a Code 59 - which is:

59   Intake Manifold Valve 1 Voltage Low

I think this is the rear multiram control valve - but any ideas?

It's only started doing it today and that was after I opened her up after a cold start. The light now comes on as soon as the car is started & its defo flickering - with the light being on 95% on and 5% off.

I've had the plenum off to the the cam covers so suspect that I might have disturbed something.

Thanks
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TheBoy

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Re: Code 59 ......
« Reply #1 on: 28 May 2010, 11:51:20 »
Valve 1 is the rear one, correct.

If you've had plenum off, its an easy one to forget to plug back in.  I'm sure we all have at some point  :-[
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Omegafantasy

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Re: Code 59 ......
« Reply #2 on: 28 May 2010, 12:01:18 »
A voltage low error would be a short circuit as far as I know. If it was disconnected he would get a "voltage high" error.

Please correct me if I'm wrong, but that's my experience and logic so far.
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TheBoy

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Re: Code 59 ......
« Reply #3 on: 28 May 2010, 12:05:42 »
Quote
A voltage low error would be a short circuit as far as I know. If it was disconnected he would get a "voltage high" error.

Please correct me if I'm wrong, but that's my experience and logic so far.
Not necessarily, but would need to check it...
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Kevin Wood

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Re: Code 59 ......
« Reply #4 on: 28 May 2010, 12:22:53 »
Quote
Quote
A voltage low error would be a short circuit as far as I know. If it was disconnected he would get a "voltage high" error.

Please correct me if I'm wrong, but that's my experience and logic so far.
Not necessarily, but would need to check it...

I think the low side of the solenoids are switched by the ECU so voltage low = disconnected.

(ECU expects 12v on the line, grounds it to energise solenoid).

Kevin
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I_want_an_Omega

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Re: Code 59 ......
« Reply #5 on: 28 May 2010, 12:44:24 »
Thanks guys, will take a look & let you know ,,,,,,,,,,,,
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