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Author Topic: RSA offset missing  (Read 1967 times)
bombis
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« on: March 19, 2024, 06:22:24 AM »

Bin from car, from internet, and modified files shows RSA offset missing.
I¨ve changed injectors to 550cc. and modified bin/ run me7sum.
Car wont start, shows all injectors open circuit with vcds.

Step #1: Reading ROM info ..
 Searching for EPK signature...OK
 Searching for ECUID table...OK
 EPK         : '40/1/ME7.5/5/4016.31//24b/Dst01o/220301//'
 Part Number : '4B0906018DC '
 Engine ID   : '1.8L R4/5VT     '
 SW Version  : '0001'
 HW Number   : '0261207636'
 SW Number   : '1037362358'

Step #2: Reading ROMSYS ..
 Startup section: word[0x008000]+word[0x00FFFE]
 @08038 Add=0x0000A8C9 CalcAdd=0x0000A8C9  ADD OK
 All param page: word[0x010000]+word[0x01FFFE]
 @01bef8 Add=0x00971D CalcAdd=0x00971D  ADD OK

Step #3: Finding CRC table(s) ..
 Searching for CRC table(s)...OK
 CRC table(s) OK

Step #4: Reading RSA signatures ..
 Searching for RSA offset #0...missing
 Searching for RSA offset #1...missing

Step #5: Reading Main Data CRC/Checksums ..
 Searching for main data CRC pre block...OK
 Searching for main data CRC/csum blocks...OK
 Searching for main data CRC offsets...OK
 Searching for main data checksum offsets...missing
 Main CRCs:
 0) 0x0183BC-0x0183C5                      CalcCRC: 76BFA70E
 1) 0x010002-0x013FFE @90000 CRC: 375E7E4B CalcCRC: 375E7E4B(r) CRC OK
 2) 0x014252-0x017F4E @90006 CRC: A9DE6532 CalcCRC: A9DE6532(r) CRC OK
 3) 0x018192-0x01FBDC                      CalcCRC: 67149EF0(r)
 4) 0x026A00-0x02FFFC @9000c CRC: 10EED092 CalcCRC: 10EED092(r) CRC OK

Step #6: ROMSYS Program Pages
 Program pages: 8k page first+last in 0x0000-0xFFFF and 0x20000-0xFFFFF
 @00803c Add=0x9ED3D9 CalcAdd=0x9ED3D9  ADD OK

Step #7: Reading Main Program Checksums ..
 Searching for main program checksum..OK
 ROM Checksum Block Offset Table @1fbba [16 bytes]:
 1) 0x000000-0x00FBFF CalcChk: 48D10806
    0x00FC00-0x01FFFF CalcChk: 23DFFBDA CalcCRC: 03C00E84 SKIPPED
 2) 0x020000-0x0FFFFF CalcChk: 3E3787FD
 @fffe0 Chk: 3E3787FD CalcChk: 3E3787FD OK (i)

Step #8: Reading Multipoint Checksum Blocks ..
 Searching for multipoint block descriptor #1...missing
 Searching for multipoint block descriptor #2...OK
 1) <1fbde>  0x000000-0x003FFF Chk: 0FA0F5CF Boot: (whitelisted) OK
 2) <1fbee>  0x004000-0x007FFF Chk: 0F4716B3 Boot: (whitelisted) OK
 3) <1fbfe>  0x000000-0x003FFF Chk: 0FA0F5CF CalcChk: 0FA0F5CF OK
 ..........
64) <1ffce>  0x0F4000-0x0F7FFF Chk: 1FFFE000 CalcChk: 1FFFE000 OK
65) <1ffde>  0x0F8000-0x0FBFFF Chk: 1FFFE000 CalcChk: 1FFFE000 OK
66) <1ffee>  0x0FC000-0x0FFFFF Chk: 1FFDE002 CalcChk: 1FFDE002 OK
 Multipoint #2: [66 blocks x <16> = 1056 bytes]

Step #9: Looking for rechecks ..

*** Found 71 checksums in 6060.bin
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_nameless
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« Reply #1 on: March 19, 2024, 12:58:12 PM »

Checksums are fine
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Giving your mom a tuneup
nyet
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« Reply #2 on: March 19, 2024, 01:18:07 PM »

It means this file does not have RSA. This is a good thing Smiley
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
bombis
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« Reply #3 on: March 19, 2024, 02:11:02 PM »

Oh, thats nice Cheesy
Thanks for fast reply.
I¨m going to measure/control wiring harness
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bombis
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« Reply #4 on: March 20, 2024, 04:32:31 AM »

problem was blown fuse 32 (ecu/20a). Now it runs better than ever  Grin
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