The new energy vehicle. Press [Fn] key to switch the display mode. Connect the red and black probe, and press [F1] key for zeroing. 【Automotive circuit/start-up / fuel injector/relay test】The analog signal output can be applied to the car ECU detection and can simulate the square wave and sine wave output and simulate the fuel injection signal to drive the fuel injection nozzle; Check the data signal K line and CAN bus signal in the vehicle.