some table locations I found within 1227429 ECM prom

den Broeder, Ernst edenbroe at cisco.com
Fri Feb 23 15:44:52 GMT 2001


This info is probably won't benefit most, but here it is anyway.

-Ernst

---------------------------------------------
1227747 ECM (S series trucks with 2.8L tbi)

Use info with caution.  Accuracy not guarenteed.  No profiteering, etc...
The usual disclaimers apply, blah, blah, blah...

Feb 23, 2001 - Ernst den Broeder


                  '7429       '7747
spark table      0x02A       0x035

spark adder
vs temp          0x105       0x10A

%EGR             0x1B8       0X1C4

EGR vs VE
COMP             0x2FA       0x327

quant
enrich %         0x2F1?      0x31E

TPS acccel
enrich %uS       0x2DE       0x314

VE1              0x352       0x37F

VE2              0x39A       0x3E9

Volt comp
vs Battery       0x3BC?      0x3E9

Accel enrich
vs Coolant       0x3D3?      0x40C

Engine Cold
AFR              0x3E5?      0x41E

Timeout AFR
vs Coolant       0x3EE?      0x427

Timeout decay
multiplier
vs Coolant       0x3FF?      0x438

Crank AFR
vs Coolant       0x421?      0x449

Cold Engine
Temp AFR
vs Coolant       0x43D?      0x45A

Async mult
rpm table        0x44F?      0x46B

PROM ID          0x4C1/4C2

ALDL xtim
table            0x4C3       0x4E7

malfunct flag
masks            0x4E9       0x50D

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