ELM327用到的引腳: 2: SAE-J1850 PWM和SAE-1850 VPW總線(+) 4. 車身接地 5. 信號接地 6. CAN high (ISO 15765-4和SAE-J2284) 7. ISO 9141-2和ISO 14230-4總線的K線 10. SAE-J1850 PWM協(xié)議總線(-) 14. CAN low (ISO 15765-4和SAE-J2284) 15. ISO 9141-2和ISO 14230-4總線的L線 16. 蓄電池電壓
全部引腳定義: 1. Manufacturer discretion. GM: J2411 GMLAN/SWC/Single-Wire CAN. 2. Bus positive Line of SAE-J1850 PWM and SAE-1850 VPW 3. Ford DCL(+) Argentina, Brazil (pre OBD-II) 1997-2000, USA, 4. Chassis ground 5. Signal ground 6. CAN high (ISO 15765-4 and SAE-J2284) 7. K line of ISO 9141-2 and ISO 14230-4 8. - 9. - 10. Bus negative Line of SAE-J1850 PWM only (not SAE-1850 VPW) Europe, etc. Chrysler CCD Bus(+) 11. Ford DCL(-) Argentina, Brazil (pre OBD-II) 1997-2000, USA, Europe, etc. Chrysler CCD Bus(-) 12. - 13. 14. CAN low (ISO 15765-4 and SAE-J2284) 15. L line of ISO 9141-2 and ISO 14230-4 16. Battery voltage