ecu pinout diagram
03-22-2012, 07:23 AM
#3
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Not sure if these will help, but they are for my 2000 Blazer 4.3L.
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03-22-2012, 04:22 PM
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I check every single pin and all pins were in the same place as the chart u send me any more ideas of what could this be why I am still not getting a 5 volt reference to the tps sensor ?
03-22-2012, 04:34 PM
#6
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Ok, hmmm. Which connector/pin are you testing for the 5V?
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03-22-2012, 06:21 PM
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I am testing them with the neg of the multimeter on battery neg and the positive of the multimeter to the gray cable that comes out of e pcm
03-22-2012, 06:32 PM
#10
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Don't backprobe either of those pins. Remove the entire C3-CLEAR connector and test those 2 pins again.
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