... Output protocol: RS2324, Baud rate: 9600 or 384005, Indicator LEDs: OBD Tx/Rx, RS232 Tx/Rx, Power6, Operating voltage:12V, internal ... from short circuits/ overvoltages7, Nominal idle current: 45 mA8, OBD-II Software for ELM327 is a free program that allows ... 12, Features The program lets you perform the following operations: Read diagnostic trouble codes, both generic and manufacturer-specific, and ...