Touareg BPE 2.5tdi EDC16U31. Question about maps.

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Touareg BPE 2.5tdi EDC16U31. Question about maps.

Postby damir79 » Tue Jul 03, 2018 1:11 pm

Hello!
I have Touareg 2.5tdi 2007 BPE.
Bosch build EDC16U31
ECU-Nr. Prod. 070906016DE
Software 389126

I succesfully disabled EGR system. Find 3 maps 13x16 1C6338, 1C657C, 1C67C0.
I filled the maximum value 11000 (MAF 1100mg/str) to all tables and it works normal without any errors.

Now I want to increase a power of engine.
I find some maps:
driver wishes 9 maps 8x16 1C2A64 - 1C3586
Torque limiter (23x4) 1D5F9C
4 SOI maps?? 15x19 1E6BEE 1E6E70 1E70F2 1E7374 They have some negative values.
1EBBF2 N75 13x16 map
1ECCCE 10x16 Boost map
1ECE3A 10x10 Boost limiter
1D7A8C 13x16 Smoke map?
1ECF84 1x1 SVBL ? (value = 2500)
and some unrecognized maps:
1D6710 8x8 (fuel temperature and IQ?)
1D8B64 18x16 Torque IQ converter?
3 maps 14x16 1DC4AC - 1DC8AC duration maps?
1E6ADE 10x10 duration?
1ECFB6 10x10 ?
1ED0AE 10x12 ?
1ED1FE 10x10 ?
1ED2F6 10x12 ?
1F2322 8x9 ?

I tried to increase values of map 1D7A8C (Smoke map?) up to 10%.
After this fuel consumption on idle decreased by 10%. Before 1.1 l/h, after 1.0 l/h.
And car went faster, if I feel it right.
Please help me reqognize maps. Am I right in smoke map selection?
Is it right to increase only smoke map without duration map?
I want to improove power on low engine speed.
Any help would be appreciated.
ECU file in attachment.
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Re: Touareg BPE 2.5tdi EDC16U31. Question about maps.

Postby damir79 » Wed Jul 04, 2018 9:51 am

15x19 1E6BEE 1E6E70 1E70F2 1E7374 <-- this is looks like Smoke limiter maps according to EDC16 guide.
But why maps have negative values? And why number of them is 4?

What below map may represent? I think Y-Axis like temperature? Y-Axis like Engine speed. And values IQ?

Map "Bosch II 16" (8x8)

1000 1500 2000 2500 3000 3500 4000 4500
10531 8192 8192 8192 8192 8192 8192 8192 8192
10731 8192 8192 8112 8008 7944 7936 7928 7928
10921 8192 8192 7483 7411 7331 7275 7227 7139
11081 8192 8192 6950 6854 6734 6654 6546 6474
11181 8192 8192 6650 6650 6594 6498 6434 6386
11281 8192 8192 6390 6390 6390 6390 6390 6390
11731 8192 8192 6144 6144 6144 6144 6144 6144
32731 6144 6144 6144 6144 6144 6144 6144 6144

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Re: Touareg BPE 2.5tdi EDC16U31. Question about maps.

Postby damir79 » Wed Jul 04, 2018 12:04 pm

Except for the previously found three SOI maps I have found another 9 maps which looks like SOI (1DB2EC - 1DC2AC).
These maps do not contain a header.
What maps these could be? Maybe SOI limiter?

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Re: Touareg BPE 2.5tdi EDC16U31. Question about maps.

Postby damir79 » Wed Jul 04, 2018 12:31 pm

Is this a smoke limiter map? Image in attachments.

Smoke limiter 1 (15x19)

-(-,-)/-

-
50 200 500 700 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6500
- 100 187 224 257 286 326 358 393 440 476 504 544 583 634 675 724
200 189 225 259 288 327 357 394 441 478 504 544 583 634 675 724
650 188 224 257 288 328 358 393 441 475 504 544 583 634 675 724
850 190 223 257 288 327 358 396 442 477 507 549 586 635 675 724
1000 189 223 258 287 328 360 393 439 476 510 557 595 638 678 745
1250 180 220 258 285 324 359 401 447 491 534 583 628 680 722 790
1500 166 202 241 285 320 360 404 459 512 560 619 665 718 774 848
1750 146 184 224 271 308 363 409 469 528 589 650 707 768 839 916
2000 121 157 201 247 291 352 410 477 540 607 684 746 820 903 992
2250 92 128 174 229 271 338 407 483 552 644 720 796 884 981 1061
2500 52 93 142 204 254 322 398 491 577 678 764 849 945 1055 1144
2750 19 63 111 175 234 308 393 502 609 714 807 900 1006 1121 1213
3000 -27 25 74 145 211 294 382 515 637 741 839 948 1057 1176 1273
3250 -74 -19 39 111 188 273 374 519 673 760 872 979 1101 1228 1323
3500 -119 -57 1 71 156 256 367 523 692 785 907 1014 1140 1270 1370
3750 -170 -101 -48 38 127 238 356 530 713 803 925 1037 1170 1309 1415
4000 -226 -153 -89 3 96 220 347 537 719 816 938 1058 1197 1347 1448
4500 -325 -256 -177 -77 37 172 326 533 732 832 968 1088 1231 1379 1489
5000 -417 -353 -275 -167 -29 129 304 535 733 841 980 1107 1252 1401 1504
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Re: Touareg BPE 2.5tdi EDC16U31. Question about maps.

Postby damir79 » Fri Jul 06, 2018 5:18 am

No help need. I figured it out! ;)

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