1998 Buick Century pcm

1998 BUICK CENTURY
89,998 MILES • 6 CYL • 2WD • AUTOMATIC
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ALEXANDRIACAMP
  • MEMBER
  • 1 POST
I would like to know what would be a output and input on a pcm.
Oct 5, 2010 at 7:12 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Just about all the sensors input to the pcm. Outputs would be anything the computer controls like idle--fuel injector pulse just name a couple. Also, the computer outputs reference voltage to some sensors.
Oct 5, 2010 at 7:28 AM
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