1.1 Definition and classification of new energy vehicle diagnostic instrument + 1.2 Identify the chassis system layout and features of new energy vehicles(Theory) + 1.3 Operation and use of channel decoder + 1.4 Usage of decoder+ 1.5 Identify Qin EV instrument warning and indicator information+ 1.6 Practical training Qin EV link and use diagnostic instrument+ 1.7 Decoder and Diagnostic Interface Failure to Communicate Diagnosis and Troubleshooting + 2.1 Power Battery Heat Exchanger Solenoid Valve Detection Troubleshooting and Repair + 2.1.1 Solenoid valve detection fault diagnosis and maintenance(practice)+ 2.2 Pump Troubleshooting and Repair of Power Battery Thermal Management Systems + 2.2.1 Pump fault diagnosis and maintenance(practice) + 2.3 Power Battery BMS Power Supply Troubleshooting and Maintenance+ 2.3.1 BMS power supply fault diagnosis and maintenance(practice)+ 2.4 Power Battery CAN Network Communication Abnormal Fault Diagnosis and Maintenance + 2.4.1 CAN network communication fault diagnosis and maintenance(practice)+ 3.1 The Basics of Drive Motor Cooling Systems + 3.2 Motor temperature monitoring and fault diagnosis + 3.2.1 Troubleshooting of motor overheating(practice) + 3.3 The Basics of Signal Circuits for Electric Motor Rotary Encoders+ 3.3.1 Troubleshooting of motor rotation signal circuit(practice)+ 3.4 Circuit fault diagnosis and troubleshooting of the motor controller+ 3.4.1 Motor controller circuit fault diagnosis and elimination(practice)+ 4.1 Unlocks unresponsive troubleshooting + 4.1.1 Unlocks unresponsive troubleshooting(practice) + 4.2 Troubleshooting and diagnosis of one-touch start system+ 4.2.1 Troubleshooting one-touch start system(practice)+ 5.1 Diagnosis and troubleshooting of abnormal high-voltage power supply+ 5.1.1 Diagnosis and troubleshooting of abnormal high-voltage power supply(practice) + 5.2 Diagnosis and troubleshooting of high-voltage interlock faults+ 5.2.1 Diagnosis and troubleshooting of high-voltage interlock faults(practice) + 6.1 Components and Control Strategies of AC Charging Systems+ 6.1.1 Charging system OBC power supply fault diagnosis and maintenance(practice) + 6.1.2 Fault Diagnosis and Maintenance of the charging system CNA network(practice) + 6.2 AC Charging System Troubleshooting + 6.2.1 CP signal fault diagnosis and maintenance of charging system(practice) + 6.2.2 CC signal fault diagnosis and maintenance of charging system(practice) + 6.3 DC (fast charging) charging system components and operating principles+ 6.4 Troubleshooting DC (fast charging) charging systems+