[s-cars] RS2 ECU vs AAN

[Jani Peltopuro]

I'd like to add to this one thing: AAN/ABY Motronic is
NOT identical (in components) to RS2. This means you
need to change some components (or one) for ADU
programs to work properly in AAN Motronic, or vice
versa.

Regards,
Jani Peltopuro



>From: "Keith Maddock" <Keith.Maddock at trw.com>
>To: <QSHIPQ at aol.com>, <bob.rossato at att.net>,
>	<s-car-list at audifans.com>
>Subject: Re: [s-cars] RS2 ECU for sale
>
>Scott:  But if a person already has a RS2 MAF/FI/FPR
>in his AAN car,
>then it seems this ECU *is* plug and play.
>
>Here's my understanding from what I have heard from
>all the posts:
>
>Stock RS2 ECU in stock AAN = NOT GONNA WORK
>Stock RS2 ECU in AAN w/ RS2 MAF, RS2 FI's, and RS2
>FPR =  PLUG & PLAY
>(non MS definition!)
>
>RS2 ECU with AAN Chips (regardless of stage) = NOT
>GONNA WORK
>AAN ECU with RS2 Chips (regardless of stage) = NOT
>GONNA WORK
>
>In the end the CHIP software has to match both:
>1) the ECU that its going in
>2) the MAF / FI / FPR on the engine
>
>So if someone already has RS2 MAF / FI / FPR, this
>will work.  However
>if he wants to upgrade his software later, he is
going to have to use
>RS2-ecu software *NOT* AAN-ecu software.
>
>I'm not going to offer a judgement for anyone to buy
>or not buy this
>part, as I don't know what the market price is for
>these things, AAN or
>RS2...
>But if someone has a AAN with all the RS2 bits
>already installed, then
>this ECU will work , but possible provide a more
>difficult SW upgrade
>path in the future.
>
>Keith
>

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