What are the classifications of automatic transmissions?
1 Answers
Automatic transmissions include electronically controlled hydraulic automatic transmissions, electronically controlled mechanical automatic transmissions, electronically controlled continuously variable transmissions, and dual-clutch transmissions. The following is an introduction to the relevant content: An automatic transmission consists of a torque converter, a gear transmission mechanism, an oil supply system, an automatic shift control system, and a shift operating mechanism. The fault diagnosis methods for automatic transmissions are: 1. After the engine is warmed up, shift into P or N gear, turn off the air conditioning, and check the idle speed. 2. Check the throttle position cable and sensor. 3. Check the quality of the automatic transmission fluid. 4. Shift into P or N gear and push the vehicle. 5. Check the P or N gear start switch. 6. Move the gear lever from the P position to other positions one by one to check if the gear lever moves smoothly.