elm327

ELM327 to SDS Initialization

Found on ECU Hacking Board

Instructions

Command

Result from ECU/ELM327

Commands

ATZ

ELM327 v1.5

ATWM8012F1013E (set a special keep alive message)

OK

ATSH8112F1 (set a header for first negotiaton)

OK

ATFI (initialize bus)

BUS INIT: OK

ATSH8012F1 (set a header for data transaction)

OK

1A9A (Read ECU ID)

5A 9A 33 32 39 32 30 2D 30 .....

2108 (Read Data by Local ID)

61 08 0F 02 01 A0 02 02 A0 .....

82 (Close a connection)

C2

ATPC (ELM Protocl Close)

3rd Party Tools/Code

• kashima from ECU Hacking Board:
  • SDSMonitor
  • screenshot
  • ELM327 dongles
  • SDS cable
  • cable diagram