Elm 327 is the newly developed wireless scan tool. It supports most standard obd-ii protocols. It read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning . It clears trouble codes and turn off the mil ("check engine" light).
Display current sensor data
engine rpm
calculated load value
coolant temperature
fuel system status
vehicle speed
short term fuel trim
long term fuel trim
intake manifold pressure
timing advance
intake air temperature
air flow rate
absolute throttle position
oxygen sensor voltages/associated short term fuel trims
fuel system status
fuel pressure
etc.
Compatible software
android version: torque, dashcommand, obd car doctor, auto doctor
ios version: obd car doctor, dashcommand, eobd