Re: ECU Problem on 1990 ?? - Saab 900 Bulletin Board - Saabnet.com
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Re: ECU Problem on 1990 ??
Posted by tim [Email] (more from tim) on Sat, 14 Oct 2000 12:56:56
In Reply to: ECU Problem on 1990 ??, Tom T, Fri, 13 Oct 2000 17:19:55
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While my 90 900S ran reasonably well, I was told that the ECU was bad since the check engine light was staying on. After much electrical checking by myself I decided that wasn't the case at all. Turned out to be the AMM.
I would look elsewhere.
But, If you want to learn a lot, you can check it yourself. Get a Bentley's manual. And a digital multimeter with good small clips for making a connection - the bulky probes won't work well. Instead of trying to probe through the ECU cable connector like Bentley's says, I removed the ECU, bent back the clips on the ECU housing and removed the cover to reveal its guts. Remount the ECU for electrical continuity and you can readily access all the pinouts and then tests as Bentley says. Go slowly and deliberately in order not to electrically shock and destroy the ECU.
Posts in this Thread:
- ECU Problem on 1990 ??, Tom T, Fri, 13 Oct 2000 17:19:55
- Re: ECU Problem on 1990 ??, tim, Sat, 14 Oct 2000 12:56:56 <-- Viewing This Message
- 2nd the motion on ignition, GregD, Sat, 14 Oct 2000 00:40:16
- Re: ECU Problem on 1990 ??, Leonard, Fri, 13 Oct 2000 21:40:27
- never, 90900, Fri, 13 Oct 2000 19:52:10
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