delta TPS + MAP AE

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Jan 28, 2011 | 01:49 PM

Ronny

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delta TPS + MAP AE

Code:

Runtime   RPM  MPH MAP TPS    sPW  dTPS  tpsAE  dMAP   mapAE    aePW
00:00:44 1750   22  33   2  1.160  0.0  0.000    0.0    0.000      0.000         
00:00:44 1700   22  34   3  1.709  0.8  0.137   0.0     0.000     0.458          
00:00:44 1650   22  37   5  1.678  1.2  0.107   2.8     0.000    0.275 
00:00:44 1650   22  38   5  1.770  0.4  0.107   4.4     0.000    0.458 
00:00:44 1650   22  40   7  1.923  1.2  0.107   5.3     0.000    0.732 
00:00:44 1675   22  43   7  2.350  0.8  0.107   6.6     0.076    1.083 
00:00:44 1650   22  45   8  2.289  0.8  0.076   8.8     0.092    0.626 
00:00:44 1700   22  47   9  2.808  1.6  0.122   8.4     0.092    0.732 
00:00:44 1650   22  48   9  2.380  0.8  0.107  10.9     0.092    0.626 
00:00:44 1625   22  51  10  2.899  0.8  0.107  11.3    0.107   1.190 
00:00:44 1650   22  54  11  2.838  1.2  0.122  11.3    0.107   0.916 
00:00:44 1675   22  57  14  3.204  2.0  0.153  15.0    0.137   1.419 
00:00:44 1700   22  62  15  3.235  1.2  0.107  16.6    0.137   0.793 
00:00:44 1675   21  64  15  3.082  0.4  0.076  18.4    0.122   0.458 
00:00:44 1675   22  65  15  2.899  0.4  0.000  16.3    0.137   0.504 
00:00:44 1675   22  65  15 2.838  0.4  0.000  13.4   0.122  0.397 
00:00:44 1725   22  65  15 2.777  0.4  0.000  13.8   0.107  0.397

Take a look at runtime line # 2. There is the onset of AE.
Delta was qualified for TPS AE at .8 as TPS AE resulted at .137. It shows with AE of .46. right?

Line 6 delta was met for MAP AE at 6.6 and AE MAP resulted at .076. right?

Far right column is AE "pulse width'.

sPW which i believe is synch pulse width is a larger # than the total of AEpw values which I presume also includes the VE fueling. correct?

are the AE values also synch pulse width or usec?

Something does not add up.

Edit: My table got misaligned. Damm

Last edited by RBob; Jan 28, 2011 at 04:26 PM. Reason: column alignment

Jan 28, 2011 | 04:31 PM

RBob

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Re: delta TPS + MAP AE

Columns are a little better.

The aePW as shown in the last column is what is added to the sync PW. It is in milli-seconds (msec). The sPW is the final as programmed to hardware sync PW.

tpsAE is in msec, as is mapAE. These are the results of the look up table.

Between them and the aePW, the RPM & CTS compensations are made.

Note that the data doesn't always line up. This is due to the ECM running this routine 80 times a second. And the EBL sending data at 17 times a second. So as a variable is output via the EBL, the ECM is changing other variables associated with it.

Also, not all variables get re-calculated that often.

RBob.