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Author Subject: DTA E48 with ICV
prism7guy

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Location: DoncastAAAAARGH

Registered: 13 Jan 2008

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Post #1
I've bought a DTA E48 ecu and i'm wanting to use the Magneti Marelli ICV with it, i've looked at the wiring diagram for the ecu and see that it uses pin21 which must be a switched earth, as that pin can also be used for a second set of injectors instead which then connect to the +12v supply.

The ICV has four connectors on it, surely i need another two connections to tell it what to do?

Any help will be appreciated. Smile

________________________________________

Goldie the track car.
Posted 28th Jun 2015 at 11:40
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prism7guy

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Location: DoncastAAAAARGH

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Post #2
Wiring diagram to save anyone time if they are wanting to look. Smile

________________________________________

Goldie the track car.
Posted 28th Jun 2015 at 11:42
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #3
it won't work with the 4wire type, you need the three wire bosch type like the 8v turbo amd the s16 use I believe, emerald is the only ecu that'll control one of the mm valves due to them doing plug and play rover units.

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Bring on the Trumpets.

Posted 28th Jun 2015 at 11:53
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cully

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Location: Cullompton

Registered: 12 Jun 2013

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Post #4
are you sure the DTA can control the 4 pin ICV im unsure i think you may be managing the idle via ignition rather that fueling Wink
Posted 28th Jun 2015 at 12:02
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prism7guy

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Post #5
Bugger. Sad
A google image search for them hasnt really brought up any useful pictures, neither did an ebay search. Are they totally different in shape/fitment to the normal icv?
I've gone and fabricated an inlet manifold to suit the normal one now and bought a bloody E48 thinking it would work as i saw it said it had icv functionality in the manual but didnt think to check the wiring of it all. Doh

Unsure what to do now, im guessing i could blank off the manifold and not run an icv at all, or source a 3 wire one and bodge it to work with the E48 and my manifold, or just get a new emerald ecu. Sad

________________________________________

Goldie the track car.
Posted 28th Jun 2015 at 12:20
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #6
its easy enough to adapt the s16 valve into the pipework, pull the mm out and blank it with a plate, connect the bosch valve to the hose.

check the manual, e48 is quite old now but still pretty capable, idle by ignition works fine fir me

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 28th Jun 2015 at 12:25
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prism7guy

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Location: DoncastAAAAARGH

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Post #7

That's my inlet plenum and how I was hoping to use the icv. With the way you described the 3 pin icv it sounds like it wouldn't work with how I was hoping to do it.

Idle by ignition, is that just where you say have the throttle open slightly then the ecu just controls the idle speed with missing sparks etc to maintain idle when the tps is below a certain opening point?

________________________________________

Goldie the track car.
Posted 28th Jun 2015 at 14:05
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RallyeP6

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Location: West Byfleet

Registered: 11 Jul 2013

Posts: 451

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Post #8
E48 uses pulse width modulation control for the idle control, that's why you can either set it to run a second set of injectors or a PWM idle valve. I think its the ICV used on the Bx 16V/ 405 Mi16 and Citroen XM/Peugeot 605 2.0. Big chunky Bosch with 3 pin connector.
Posted 28th Jun 2015 at 14:41
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #9


and where the filter is in your picture, stick a short hose and the valve on the end of it.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 28th Jun 2015 at 15:04
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prism7guy

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Location: DoncastAAAAARGH

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Post #10
Ahh brilliant, thanks guys Thumbs up

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Goldie the track car.
Posted 28th Jun 2015 at 15:22
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #11
Isn't this going to be a massive boost leak being there?

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 28th Jun 2015 at 15:26
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prism7guy

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Location: DoncastAAAAARGH

Registered: 13 Jan 2008

Posts: 4,640

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Post #12
I was hoping that the icv would shut and seal the boost when the throttle position sensor says it's opened from the idle position?

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Goldie the track car.
Posted 28th Jun 2015 at 15:33
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