MAP sensor calibration
Eric Elliott
eric_e at ix.netcom.com
Fri Jan 12 02:29:36 GMT 1996
These two pages contain calibration data for five models of intake
manifold pressure sensors. The data was given to me, accuracy is not
known. Sorry if the data is not formatted best for you. Not knowing the
standard format, I used tabs for easy editing. Will format to suit and
resend as directed! Eric Elliott
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GMC EFI engine MAP sensors calibration data, page one
Input model 460 model 835 model 834
IN Hg output VDC output VDC output VDC
0 4.620 4.602 0.560
-1.0 4.442 4.424 0.741
-2.0 4.264 4.249 0.923
-3.0 4.086 4.075 1.105
-4.0 3.908 3.899 1.287
-5.0 3.73 3.724 1.469
-6.0 3.552 3.548 1.652
-7.0 3.374 3.370 1.834
-8.0 3.196 3.195 2.016
-9.0 3.018 3.019 2.199
-10.0 2.84 2.842 2.380
-11.0 2.662 2.667 2.562
-12.0 2.484 2.485 2.745
-13.0 2.306 2.303 2.928
-14.0 2.128 2.121 3.111
-15.0 1.95 1.940 3.293
-16.0 1.772 1.758 3.475
-17.0 1.594 1.577 3.657
-18.0 1.416 1.395 3.840
-19.0 1.238 1.219 4.022
-20.0 1.178 1.043 4.204
Connector green red gray
output wire green green green
sensor 0 to 28"Hg 0 to 28"Hg 0 to 28"Hg
range direct acting direct acting reverse act.
output volts 0.175V 0.178V 0.182V
per inch Hg.
input
GMC EFI engine MAP sensors calibration data, page 2.
Input model 833 Input model 886
? output VDC IN H2O output VDC
0 4.629 0.0 2.347
0.1 4.612 0.5 2.435
0.2 4.593 1.0 2.522
0.3 4.575 1.5 2.610
0.4 4.557 2.0 2.698
0.5 4.539 2.5 2.786
0.6 4.521 3.0 2.874
0.7 4.502 3.5 2.961
0.8 4.484 4.0 3.049
0.9 4.466 4.5 3.136
1 4.448 5.0 3.224
1.1 4.429 5.5 3.312
6.0 3.395
sensitivity sensitivity
0.182V/inch Hg 0.175V/inch Hg
Connector blue Connector yellow
output wire gray output wire green
wire stripe black trace wire stripe ??
sensor ??? sensor -25" to +9#
range reverse act. range reverse act.
Data was given in inches water for the 886. Unit of measure were not
specified for the 833. Possibly the data represents about 0.18 volts
output per inch mercury pressure input for both 886 & 833.
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