konnwei kw912 elm327 elm 327 bluetooth obd2 scanner for android phone read clear error engine code reader obd ii diagnostic tool

elm327 v1.5 bluetooth adapter function list: 1.read diagnostic trouble codes, both generic and manufacturer specific 2.clear trouble codes and turn off the mil ("check engine" light) 3.display current sensor data, including: 4.engine rpm 5.calculated load value 6.coolant temperature 7.fuel system status 8.vehicle speed 9.short term fuel trim 10.long term fuel trim 11.intake manifold pressure 12.timing advance 13.intake air temperature 14.air flow rate 15.absolute throttle position