SCI Monitor is a communication inspection tool for in-vehicle electronic control units (ECUs).

Sci3Download1

 SCI Monitor 3 Download-1


Main unit instruction manual


  • SCI Monitor 3.97 (4th) Apr. 28, 2023  New 
    • SCI397_Manual_4th_en.pdf 

  • SCI Monitor 3.97 (2nd) Jan. 8, 2021
    • SCI397_Manual_2nd_en.pdf 

  • SCI Monitor 3.95C (3rd) May 16, 2019
    • SCI395C_Manual_3rd_en.pdf 

  • SCI Monitor 3.95 (4th) Sep. 20, 2023  New 
    • SCI395_Manual_4th_en.pdf 

  • SCI Monitor 3.9 (3rd) May 16, 2019
    • SCI39_Manual_3rd_en.pdf 

  • SCI Monitor 3.9-Dual (3rd) Apr. 1, 2022
    • SCI39_Dual_Manual_3rd_en.pdf 

  • SCI Monitor 3.9-Single (1st) Apr. 18, 2023
    • SCI39_Single_Manual_1st_en.pdf 

  • SCI Monitor 3.9-Lite1U (1st) May 16, 2019
    • SCI39_Lite1u_Manual_1st_en.pdf 

  • SCI Monitor 3.9-LiteDT2 (5th) Apr. 1, 2022
    • SCI39_LiteDT2_Manual_5th_en.pdf 

  • SCI Monitor 3.9-LiteDT (3rd) May 16, 2019
    • SCI39_LiteDT_Manual_3rd_en.pdf 

  • SCI Monitor 3.8 (5th) May 16, 2019
    • SCI38_Manual_5th_en.pdf 

  • SCI Monitor 3.8-LiteDT (3rd) May 16, 2019
    • SCI38_LiteDT_Manual_3rd_en.pdf 

  • SCI Monitor 3.6+ CAN16ch (5th) May 16, 2019
    • SCI36_CAN16ch_Manual_5th_en.pdf 

  • SCI Monitor 3.6 (8th) May 16, 2019
    • SCI36_Manual_8th_en.pdf 

  • SCI Monitor 3.6-Dual (1st) May 16, 2019
    • SCI36_Dual_Manual_1st_en.pdf 

  • SCI Monitor 3.6-Lite1U (1st) Sep. 30, 2019
    • SCI36_Lite1U_Manual_1st_en.pdf 

  • SCI Monitor 3.6-LiteDT (1st) Sep. 30, 2019
    • SCI36_LiteDT_Manual_1st_en.pdf 

Command Specifications


Please download from Download-2 (AuthC). 

CPU1 Firmware (CAN, K-LINE)


Please download from Download-2 (AuthC). 

CPU1/2(SH4) Firmware (CAN, LIN, SENT, Recorder Function)


  • Ver.19.4 Aug. 28, 2023  New 
    • sci3_v194_230828.mot 

  • Ver.19.3 Jul. 21, 2023
    • sci3_v193_230721.mot 

  • Ver.19.2 Apr. 25, 2023
    • sci3_v192_230425.mot 

  • Ver.19.1 Apr. 14, 2023
    • sci3_v191_230414.mot 

  • Ver.19.0 Feb. 16, 2023
    • sci3_v190_230216.mot 

  • Ver.18.9 Nov. 17, 2022
    • sci3_v189_221117.mot 

  • Ver.18.8 Oct. 4, 2022
    • sci3_v188_221004.mot 

  • Ver.18.7 Jun. 20, 2022
    • sci3_v187_220620.mot 

  • Ver.18.6 May 10, 2022
    • sci3_v186_220510.mot 

  • Ver.18.5 Mar. 4, 2022
    • sci3_v185_220304.mot 

  • Ver.18.4 Jan. 21, 2022
    • sci3_v184_220121.mot 

  • Ver.18.3 Nov. 17, 2021
    • sci3_v183_211117.mot 

  • Ver.18.2 Jun. 29, 2021
    • sci3_v182_210629.mot 

  • Ver.18.1 Jan. 14, 2021
    • sci3_v181_210114.mot 

  • Ver.18.0 Oct. 23, 2020
    • sci3_v180_201023.mot 

  • Ver.17.9 Oct. 23, 2020
    • sci3_v179_201023.mot 

  • Ver.17.8 Apr. 7, 2020
    • sci3_v178_200407.mot 

  • Ver.17.7 Feb. 10, 2020
    • sci3_v177_200210.mot 

  • Ver.17.6 Dec. 16, 2019
    • sci3_v176_191216.mot 

  • Ver.17.5 Oct. 18, 2019
    • sci3_v175_191018.mot 

  • Ver.17.4 Oct. 8, 2019
    • sci3_v174_191008.mot 

  • Ver.17.3 Sep. 13, 2019
    • sci3_v173_190913.mot 

  • Ver.17.2 Aug. 21, 2019
    • sci3_v172_190821.mot 

  • Ver.17.1 Jul. 27, 2019
    • sci3_v171_190727.mot 

  • Ver.17.0 Jul. 12, 2019
    • sci3_v170_190712.mot 

  • Ver.16.9 Jan. 12, 2019
    • sci3_v169_190112.mot 

  • Ver.16.8 Nov. 29, 2018
    • sci3_v168_181129.mot 

  • Ver.16.7 Sep. 2, 2018
    • sci3_v167_180902.mot 

  • Ver.16.6 Jul. 16, 2018
    • sci3_v166_180716.mot 

  • Ver.16.5 Apr. 25, 2018
    • sci3_v165_180425.mot 

  • Ver.16.4 Mar. 22, 2018
    • sci3_v164_180322.mot 

  • Ver.16.3b May 22, 2018 (BMS Edition)
    • sci3_v163b_180522.mot 

  • Ver.16.3 Mar. 5, 2018
    • sci3_v163_180305.mot 

  • Ver.16.2 Jan. 24, 2018
    • sci3_v162_180124.mot 

  • Ver.16.1 Jan. 12, 2018
    • sci3_v161_180112.mot 

  • Ver.16.0 Nov. 23, 2017
    • sci3_v160_171123.mot 

  • Ver.15.9 Oct. 24, 2017
    • sci3_v159_171024.mot 

  • Ver.15.8 Sep. 25, 2017
    • sci3_v158_170925.mot 

  • Ver.15.7 Sep. 14, 2017
    • sci3_v157_170914.mot 

  • Ver.15.6 May 23, 2017
    • sci3_v156_170523.mot 

  • Ver.15.3 Apr. 19, 2017
    • sci3_v153_170419.mot 

  • Ver.15.2 Jan. 30, 2017
    • sci3_v152_170130.mot 

  • Ver.15.1 Nov. 19, 2016
    • sci3_v151_161119.mot 

  • Ver.15.0 Nov. 3, 2016
    • sci3_v150_161103.mot 

  • Ver.14.9 Aug. 5, 2016
    • sci3_v149_160805.mot 

  • Ver.14.8 Jun. 7, 2016
    • sci3_v148_160607.mot 

  • Ver.14.7 Apr. 25, 2016
    • sci3_v147_160425.mot 

  • Ver.14.6 Feb. 24, 2016
    • sci3_v146_160224.mot 

  • Ver.14.5 Jan. 30, 2016
    • sci3_v145_160130.mot 

  • Ver.14.4 Jan. 15, 2016
    • sci3_v144_160115.mot 

  • Ver.14.3 Jan. 9, 2016
    • sci3_v143_160109.mot 

  • Ver.14.2 Dec. 5, 2015
    • sci3_v142_151205.mot 

  • Ver.14.1 Oct. 1, 2015
    • sci3_v141_151001.mot 

  • Ver.14.0 Aug. 25, 2015
    • sci3_v140_150825.mot 

  • Ver.13.9 Jul. 23, 2015
    • sci3_v139_150723.mot 

  • Ver.13.8 Jul. 5, 2015
    • sci3_v138_150705.mot 

  • Ver.13.7 Jun. 20, 2015
    • sci3_v137_150620.mot 

  • Ver.13.6 Apr. 23, 2015
    • sci3_v136_150423.mot 

  • Ver.13.5 Mar. 21, 2015
    • sci3_v135_150321.mot 

  • Ver.13.4 Mar. 1, 2015
    • sci3_v134_150301.mot 

Firmware update history


Please download from Download-2 (AuthN). 

Firmware update downloader


  • CPU1 - Downloader Jul. 23, 2011
    • sci3dl1.zip 
      Please execute and install setup.exe after download and the extraction.

  • CPU1/2(SH4) - Downloader Feb. 28, 2022
    • sci3dl2a_v33.7z 
      Please execute and install setup.exe after download and the extraction.

How to use Firmware Update Downloader


  • SCI Monitor 3: How to use the downloader. (6th) Feb. 28, 2022
    • SCI3_HowToUseDownloader_6th_en.pdf 







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