With the KW903, you will be able to perform a complete computer diagnosis of the car, and even correct minor faults without resorting to a service station.
The device is a small adapter that plugs into the vehicle's OBD connector. Through Bluetooth, it can be connected to any computer, tablet, or smartphone.
Small size and compact structure. Plug and play, never unplug. Without wires or batteries (the adapter is powered by a diagnostic sized socket), stop communication, wait for half an hour, and automatically sleep.
Note: kw903 ELM327 Bluetooth 3.0 is only available for Android phone connections, and currently does not support Apple.
Supported OBD II protocols:ISO 9141、KWP2000、SAE J1850、CAN、J1850 VPW、J1850 PWM
Turn off the fault indicator light (signal check engine); Vehicle speed, oil pressure, coolant temperature, engine load, intake manifold; Measure fuel consumption, etc.