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Eves EDR Data FindingsAn Inductive Investigation of 2007 Toyota Tundra EDR Data
Eves_Toyo-ASA_Compar_LOF_1c.lof
4Aug10
Page 20 of 24
Exhibit C.11.8 shows the exemplar SRS ECU ASA EEPROM data output (512 bytesof address-specified hexadecimal data).
000: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ010: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ020: FF FF FF FF FF FF FF FF FF FF FF FF FF FF 80 00 ÿÿÿÿÿÿÿÿÿÿÿÿÿÿ€.030: 00 00 FF FF 00 80 80 00 A5 FF 00 00 0D 03 FF FF ..ÿÿ.€€.¥ÿ....ÿÿ040: 99 02 55 04 8B 04 14 05 0B 05 14 06 22 04 0B 03 ™.U.‹......."...050: 16 02 0A 01 20 02 33 02 09 03 1F 03 07 03 1F 03 .... .3.........060: 43 FA 09 01 00 70 00 00 00 00 00 00 00 00 00 00 Cú...p..........070: 00 00 80 00 80 00 AA AA 99 03 55 05 B6 05 14 12 ..€.€.ªª™.U.¶...080: B6 1C 14 0E 44 11 36 09 23 08 36 02 23 08 45 0A ¶...D.6.#.6.#.E.090: 36 05 22 06 37 06 16 09 44 FA 02 02 00 70 00 00 6.".7...Dú...p..0A0: 00 00 00 00 00 00 00 00 00 00 80 00 80 00 AA AA ..........€.€.ªª0B0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ0C0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ0D0: FF FF FF 00 FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿ.ÿÿÿÿÿÿÿÿÿÿÿÿ0E0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ0F0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ100: 00 00 00 00 00 FF 02 04 02 00 FF FF 00 00 FF FF .....ÿ....ÿÿ..ÿÿ110: FF 00 00 00 01 01 01 01 00 00 00 FE FE FF FF FF ÿ..........þþÿÿÿ120: FF FF 00 FF FF FF FF FF FF FF 05 58 00 00 00 00 ÿÿ.ÿÿÿÿÿÿÿ.X....130: AE BB BF 3C A0 C3 C5 7F 50 A8 1C 01 38 EE EE EE ®»¿< ÃÅ•P¨..8îîî140: FC E0 AE BB BF 3C A0 C3 C5 7F 50 A8 F9 FC F9 FC üà®»¿< ÃÅ•P¨ùüùü150: 99 FF E0 03 90 04 00 00 00 00 00 00 00 00 00 00 ™ÿà.•...........160: 00 00 FF 6E F9 00 00 00 00 00 1B 03 30 43 33 31 ..ÿnù.......0C31170: 31 02 02 06 06 03 03 FF FF FF FF FF FF FF FF EF 1......ÿÿÿÿÿÿÿÿï180: FF EF FF EF FF FF FF FF EB FF FF FF FF FF FF FF ÿïÿïÿÿÿÿëÿÿÿÿÿÿÿ190: 30 34 39 38 30 30 36 39 39 4C FF FF FF FF FF FF 049800699Lÿÿÿÿÿÿ1A0: 3C 6D 17 A9 00 00 1A FD 4C 6D 17 A9 00 00 1A FD <m.©...ýLm.©...ý1B0: 5C 6D 17 A9 00 00 1A FD 84 6D 17 AA 00 00 1A FD \m.©...ý„m.ª...ý1C0: 86 6D 17 AA 00 00 1A FD 86 6D 17 AB 00 00 1A FD †m.ª...ý†m.«...ý1D0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ1E0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ1F0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ
Eves EDR Data FindingsAn Inductive Investigation of 2007 Toyota Tundra EDR Data
Eves_Toyo-ASA_Compar_LOF_1c.lof
4Aug10
Page 21 of 24
Exhibit C.11.9 shows the exemplar SRS ECU, Event Record 2, ASA translatedacceleration and Delta-V data and the translated Pre-event data (data window on datachart). Data window values shown clearly have high confidence of validity, datavalues shown with strikeouts have a lower confidence of validity.
Eves EDR Data FindingsAn Inductive Investigation of 2007 Toyota Tundra EDR Data
Eves_Toyo-ASA_Compar_LOF_1c.lof
4Aug10
Page 22 of 24
Exhibit C.11.10 shows the exemplar SRS ECU, Event Record 3, ASA translatedacceleration and Delta-V data and the translated Pre-event data (data window on datachart). Data window values shown clearly have high confidence of validity, datavalues shown with strikeouts have a lower confidence of validity.
Eves EDR Data FindingsAn Inductive Investigation of 2007 Toyota Tundra EDR Data
Eves_Toyo-ASA_Compar_LOF_1c.lof
4Aug10
Page 23 of 24
Exhibit C.11.11 shows the methodology used to accomplish the EEPROM direct-read employed forthis analysis.
Eves EDR Data FindingsAn Inductive Investigation of 2007 Toyota Tundra EDR Data
Eves_Toyo-ASA_Compar_LOF_1c.lof
4Aug10
Page 24 of 24
Exhibit C.11.12 shows the methodology used for other Toyota SRS ECUs to impart impinged-acceleration pulses on those ECUs, read the recorded acceleration counts, and then calibrate therecorded acceleration counts with the known external accelerometer output.
Example of ASA vs ECUacceleration and calculated(integrated) ASA vs ECU Delta-Vfor the above Device Under Test(DUT). Note also that this testproduced an ECU deploy pulse, andthe Driver Squib 1 firing pulse isshown on the common time line.This allows evaluation of the Timeto Fire (TTF) parameter.
