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

Components:

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

16 pin car OBD2 special connector diagram

Notes

References

Category:Car Connectors

 

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