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Old 11-11-2010, 06:56 PM
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540iman 540iman is offline
resident, old fart
Location: N.W. Indiana
 
Join Date: Sep 2008
Posts: 1,525
Mein Auto: 2002 540i sport
You don't know a great deal agout how to use a VOM, but you confirmed in a round-about way that all four were fine based upon the reading you reported. I'm guessing you were on either the 100K resistance scale or the 1 meg scale. Either way, you tested fine.

Do I understand correctly that *someone* diagnosed sensor as bad and then cleaned wheel and now all is fine? Are we saying BMW replaced a good sensor?

Someone said they don't believe you can diagnose a bad module. You can. You just can't tell a bad input from a bad module. You can diagnose a faulty module that won't communicate with the other modules/DMS for example. Just not a bad sensor from a bad module.
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