Need factory coolant temp sensor values
08-18-2006, 12:51 PM
#1
Need factory coolant temp sensor values Please. Want to log the coolant temp with my LM1/LMA2 and I need the max values/voltages of the factory coolant temp sending unit to do it. I was just wondering if somone's already done this and might be able to post up a conversion table. It would be good to add to one of the sticky threads.
Thanks in advance.
Hummer.
Thanks in advance.
Hummer.
08-18-2006, 01:00 PM
#2
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There's something funny about the LS1 coolant temp
sensor circuit; from what I read in the big green book,
the PCM switches bias current at some point in the
warmup to jump to a more accurate range. So straight
voltage may give you squirrely results, depending.
Straight resistance is another matter, that's consistent.
sensor circuit; from what I read in the big green book,
the PCM switches bias current at some point in the
warmup to jump to a more accurate range. So straight
voltage may give you squirrely results, depending.
Straight resistance is another matter, that's consistent.
08-18-2006, 01:25 PM
#3
Originally Posted by jimmyblue
There's something funny about the LS1 coolant temp
sensor circuit; from what I read in the big green book,
the PCM switches bias current at some point in the
warmup to jump to a more accurate range. So straight
voltage may give you squirrely results, depending.
Straight resistance is another matter, that's consistent.
sensor circuit; from what I read in the big green book,
the PCM switches bias current at some point in the
warmup to jump to a more accurate range. So straight
voltage may give you squirrely results, depending.
Straight resistance is another matter, that's consistent.
