Obd Ii Iso 9141 Interface Circuit

Posted By admin On 23.12.19

ISO 14230 KWP2000 (Keyword Protocol 2000)

Obd Ii Iso 9141 Interface Circuit

Enhanced OBDII Trouble Code Reader. Read & Clear Generic and Manufacture Specific Codes, Monitor Status, and Retrieve VIN Data! Works on almost any car from 1996 to 2002 and some from 2003 to 2006! Supports all OBDII protocols: ISO-9141, ISO-14230(KWP2000), J1850 VPM and J1850 PWM. Continuing where we left off in How OBD-II Vehicle Diagnostics Work part 1, this article goes into more detail on the 4 OBD-II standards: ISO 9141-2, SAE J1850 VPW, SAE J1850 PWM, and CAN (ISO 15765). We end by giving some resources for OBD-II related hardware and simulators for experimentation.

pin 7: K-line

pin 15: L-line (optional)

Physical layer identical to ISO 9141-2

Data rate 1.2 to 10.4 kbit/s X plane 10 bombardier challenger 300 downloads.

High signal voltage level: +12V (min/max 9.60 to 13.5)

Message may contain up to 255 bytes in the data field School management system software in vb free download pc.

RS-232 to ISO-9141 cable scheme

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.

Obd Ii Iso 9141 Interface Circuit Breaker

See also PC RS232 interface details.