E36 323i Convertible 1998 abs and traction lights on.

I have a 1998 323i convertible.

The abs light and traction light is on in the dash. So far I replaced the ABS control module behind the glove box, the Ground Module just to be safe, the red "ABS" relay 5 times with 5 confirmed good relays, The orange relay, all fuses in the under the hood fuse box test good with a test light and also look good,

I pulled the plug on the ABS module behind the glovebox and checked the voltage on pins 2,16,33,35,51 --- WITH THE RELAY IN I only get voltage on pins 35 and 51 (the fuses),,,,, with the ABS relay REMOVED I get 12 volts on every listed pin.....

My next step is replacing the ABS unit under the hood entirely. Any more things that I should check before doing this? Thanks!

Have you checked where the ABS and ASC vac lines book into the intake boot? It's a common thing to have a tear there. It's under the MAF intake boot, a small little separate plug that goes into the vac line underneath. If you have had the MAF boot off recently its easy to tear there (ask me how I know ) and if not seated properly will set off both lights.


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Have you changed any wheel sensors ? I had both my ABS and ASC lights on in late 2009 , coming on on start up not motion , it turned out to be 1 front sensor and 1 rear sensor at the same time . I was told by my main dealer (as mine is a '98 model) it's change over year here in Uk , so some systems are "kind of hybrid between E36's and E46's" . Cheers JJ .

Thanks for the info, it was the ABS unit.. Changed out the entire unit and the lights went out. Thanks for the info