OBD-2 ISO 9141-2 (14230-4, KWP2000) simple RS-232

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connector or cable wiring scheme

9 pin D-SUB female connector layout 9 pin D-SUB female connector

Simple OBD-2 iso9141-2 RS-232 cable schema


  • R1-R10 - 560 ohm, 0.25W
  • T1     - BC556 or 2N3906
  • T2,T3  - BC546 or 2N3904

16 pin car OBD2 special connector diagram



Category:Car Connectors


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