Tachyon OBDII OBD2 Bluetooth Scan Tool | Diagnostic Tool for All Toyota Vehicles Monitor Toyota Specific Parameters: 90+ Toyota Specific OBD2 Parameters Automatic Trip logging Facility : Automatically monitor and store 25 different trip information Read and clear Diagnostic Trouble Codes (DTCs / Engine Codes) - Read and Clear 3000+ Toyota specific troubles Read Freeze Frames: Freeze Frame feature gives a snapshot of the vehicle status at the time the DTC is occurred. With this, you can analyze the vehicle status when the issue happened and take the corrective actions accordingly Battery Status Monitoring Displays Battery Voltage Observe Battery Voltage Variations and Determine Battery Health