Date: Thu, 01 Feb 2007 18:32:38 +0000
From: Colin Stamp <>
Subject: Re: canbus ibus sid steering wheel controls 93 9-3 ss sport saloon sedan 2007

On 31 Jan 2007 02:31:56 -0800, "installer69" <> wrote: >Sorry about the long header but it may help people searching for info >if we ever achieve anything! > >I have a MY2007 93 convertible with the latest basic radio cd from the >GM parts bin. > >I have a dream. I would love to be able to use the steering wheel >control buttons for the telephone on an after market bluetooth kit. I >would also love to display incoming phone call numbers on the sid >which is now located in the speedo/tacho unit rather than on top of >the dash (I kinda liked it there - dunno about you) > >Anyway, I have had 6 or 7 Saabs, have worked for a main dealer in the >past as an auto electrician (when wires just carried current!) still >have a couple of useful contacts in the dealer network (to push >through a warranty claim if I blow the electrics up with my fiddling) > >What I'm really looking for on here is a people with a bit of canbus >knowledge. Maybe even a project buddy or two who would like to help me >pull my electrics apart for the greater good. > >I found a very interesting site by Tomi Liljemark on reverse >engineering the previous Saab 93 canbus at >tomi/projects/i-bus/i-bus.html#faq and I have tried emailing him for >help but I guess he doesn't check his gmail too often. > >If anyone would like to help physically I am in Kent, UK. > >Craig Can't help on a 2007 car I'm afraid, but thanks for that link. I've been wondering about analysing the CAN bus for the SID on my 2001 car ever since I fitted an aftermarket stereo, leaving the bottom line of my SID mostly redundant. I always liked the idea of making a little PIC board that randomly flashes up messages like "BMWs are shite" whilst I'm driving, or possibly something more interesting like peak acceleration. It's no doubt one of the many things that I'lI never get around to, but that link gets me one step closer. Are they using CAN now for the steering wheel buttons then now? On mine, the switches just put a variety of different resistors into circuit and the SID translates the resistance values into CAN commands for the stereo. Cheers, Colin.

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