Thanks for the info
From: Paul Stanley
[EMAIL PROTECTED]
----- Original Message -----
From: Chris Pronios <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, July 24, 2002 5:23 PM
Subject: Re: nissan ecu editing software
> Paul,
>
> most of the Nissan ECUs we are talking about are of the following 2 types:
>
> 1. EPROM chip soldered on the ECU. CA18DE(T) is of this variation.
> These need a reasonable mod: you de-solder the chip, solder a socket in
its
> place (ZIF or whatever) and then you buy off-the-self EPROM chips and
> substitute your heart out.
>
> 2. NO EPROM chip. ROM part is included in one of the processor chips and
is
> write-once. SR20DE(T) is of this variation. Processor chips are mucho
> expensive and the programmer that writes them much-more-mucho expensive.
> These need a more detailed mod: an additional daughter-board is purchased
> and soldered on a 40-pin position on the ECU board and then some
additional
> wiring/resistors are soldered in the "right" places. Then standard EPROM
> chips are used on this daughterboard.
>
> Chris
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