ISO 14230 KWP2000 (Keyword Protocol 2000)
pin 7: K-line
It supports all OBD-II protocols: • Works with all OBD-II compliant vehicles• Wireless (Bluetooth)• Software included for Palm, PDA• Software included for Windows PC• Software included for Windows Smartphone• Supports ISO 9141, KWP2000• Supports SAE J1850• Supports CAN bus V2.1 Mini Bluetooth ELM327 OBD HH Car Diagnostic Scanner. The adapter allows you to interface with your car's OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all OBD-II. ISO 9141-2; ISO 14230-4; ISO 15765-4 CAN. The printed circuit board data are available separately: allpro-mfgr-data.zip — Gerbers, drill files.
pin 15: L-line (optional)
Obd Ii Interface Kit
Physical layer identical to ISO 9141-2
Iso 9141 Protocol
Data rate 1.2 to 10.4 kbit/s Eclipse usb video adapter driver download windows 7.
High signal voltage level: +12V (min/max 9.60 to 13.5)
Message may contain up to 255 bytes in the data field
RS-232 to ISO-9141 cable scheme
Iso 9141 Obd Ii
DB9M connector X1 goes to car OBDII port and supplies +12V to this circuit. Use J1962M to DB9F, Type D Cable (P/N 143301), or build an equivalent. DB25F connector X2 is RS-232 serial port to connect to PC or laptop. A DB9F could be used here instead, with appropriate pin number changes.
Iso 9141 Code
See also PC RS232 interface details.