1998 Buick Century pcm

Tiny
ALEXANDRIACAMP
  • MEMBER
  • 1998 BUICK CENTURY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 89,998 MILES
I would like to know what would be a output and input on a pcm.
Tuesday, October 5th, 2010 AT 2:12 PM

1 Reply

Tiny
JDL
  • 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.
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Tuesday, October 5th, 2010 AT 2:28 PM

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