ABS light "on" experts - Saab 900 Bulletin Board - Saabnet.com
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ABS light "on" experts
Posted by Dave [Email] (more from Dave) on Mon, 23 Dec 2013 14:49:11
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OK- 92 900 and suddenly the anti lock light came on.
I checked ohms for speed sensors and they were fine. Read fault code and it flashed 1222 which according to Townsend is a main valve harness etc.
I followed the check procedure and get 3 ohms from pin 18 ECU harness to ground (supposed to be 2-5 ohms) and if that is OK then you're good. But I checked a few other things Townsend says. Continuity from pin 1 on MV harness and pin 18 ecu - obviously ok but from pin 1 to 2 on MV body I get 9.6 ohms. I think it is supposed to be 2-5 ohms. Also 3 ohms from pin 2 on MV body to ground. I assume that should be dead short to gnd. Any thoughts? Can't clear code and light stays on. But the ABS system seems to be working fine - easy to hear it clicking away while stopping hard on snowy roads.
Any thoughts appreciated
posted by 67.4.170...
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