ELM327
From Automotive Wiki from mr-fix
Contents
Versions
- 1.0
- 1.0a
- 1.1
- 1.2
- 1.2a
- 1.3
- 1.3a
- 1.4
- 1.4b
- 2.0
- 2.1
- 2.2
Supported protocols
- SAE J1850 PWM (41.6 kbaud)
- SAE J1850 VPW (10.4 kbaud)
- ISO 9141-2 (5 baud init, 10.4 kbaud)
- ISO 14230-4 KWP (5 baud init, 10.4 kbaud)
- ISO 14230-4 KWP (fast init, 10.4 kbaud)
- ISO 15765-4 CAN (11 bit ID, 500 kbaud)
- ISO 15765-4 CAN (29 bit ID, 500 kbaud)
- ISO 15765-4 CAN (11 bit ID, 250 kbaud)
- ISO 15765-4 CAN (29 bit ID, 250 kbaud)
- SAE J1939 CAN (29 bit ID, 250* kbaud)
- USER CAN (11* bit ID, 125 kbaud)
- USER CAN (11* bit ID, 50 kbaud)
AT commands
Basic commands
PIDs
Chip identification and naming
Fakes
By checking the response to the AT commands you can determinate real version of the clone. [1]
