Ms309 Car Code Reader Car Code Reader OBD2 Automobile Diagnosis Equipment

When a fault code appears in the emission system, the ECU stores the data at the time the fault code occurred, which is the freeze frame. Firstly, the power transmission route of the car is: engine clutch transmission drive shaft drive axle (including reducer + differential) drive wheel (the wheel). Secondly, the driver controls the clutch and engine through the clutch pedal in the cabin (pressing the clutch pedal separates the clutch from the engine, cutting off power output; releasing the clutch engages it, allowing power output). Then, the driver can select different gear positions through the gear lever, controlling the transmission and thus selecting different speeds. Lastly, the driver can control the car's braking system through the brake pedal, which we refer to as the car's brake. Supplement: Functions such as car headlights, air conditioning, etc., controlled through the car dashboard buttons actually belong to the car's electrical and instrument systems. The four major systems of a car are: body, chassis, engine, and electrical and instrument systems

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