1. Scan - Scan the barcode with a barcode gun to identify the vehicle VID code.

2. Wheelbase adjustment - automatically change the wheelbase according to the vehicle model, that is, the center distance between the front and rear rollers, so as to match the center distance between the front and rear wheels of the test vehicle.

3. Vehicle on line - the vehicle moves to the front and rear rollers of the equipment.

4. Test starts - press the start cycle button and the test process begins.

5. Wheel rotation - the motor drags the roller to start rotating, driving the wheel to rotate.

6. Centering - The centering device straightens the tire from the inside. According to experience, the centering pressure is about 50 kg.

7. Release of floating plate - the floating plate supported under the wheel is released, making the vehicle body float freely.

8. The car-blocking roller rises and locks - To prevent the car from rushing out of the equipment, a car-blocking roller is set on the mechanical structure.

9. Sliding door open - the equipment sliding panel is open.

10. Headlight test starts - the headlight tester tests the headlight shape, brightness, etc.

11. Install the steering wheel gauge - Install the steering wheel gauge, calibrate the steering wheel, and align the wheels.

12. Tire detection - laser device measures the position and angle of 4 tires.

13. 4-wheel adjustment - manually adjust the tire position according to the toe and camber values ​​of the front and rear wheels displayed on the screen.

14, measurement ends.

15,The wheels stop.

16. Floating plate locking - after the test, lock the floating plate.

17. Centering return - Centering device return.

18. The car blocking roller falls down - the car blocking safety device falls down.

19. Print test results - print out all test items through a paper tape printer.

20. Remove the steering wheel gauge.

21, the vehicle is offline.