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16 Maintenance Functions to meet the maintenance vehicle repair and after-sales maintenance.

1. Oil Reset Service

The lightening of the car maintenance light indicates that the vehicle needs maintenance. Reset the mileage or driving time to zero after the maintenance, so the maintenance light will go out and the system will start a new maintenance cycle.

2. Steering Angle Calibration

To reset the steering angle, first find the relative zero point position for the car to drive in straight line. Taking this position as reference, the ECU can calculate the accurate angle for left and right steering. After replacing the steering angle position sensor, replacing steering mechanical parts (such as the steering gearbox, steering column, end tie rod, and steering knuckle), performing four-wheel alignment, or recovering the car body, you must reset the steering angle.

3. Electronic Parking Brake Reset

lf the brake pad wears the brake pad sense line, the brake pad sense line sends a signal sense line to the onboard computer to replace the brake pad. After replacing the brake pad, you must reset the brake pad. Otherwise, the car alarms.

4. Battery Register & Battery Maintenance

This function enables you to perform a resetting operation on the monitoring unit of the vehicle battery, in which the original low battery fault information will be cleared and battery matching will be done.

5. ABS Bleeding

When the ABS contains air, the ABS bleeding function must be performed to bleed the brake system to restore ABS brake sensitivity. lf the ABS computer, ABS pump, brake master cylinder, brake cylinder, brake line, or brake fluid is replaced, the ABS bleeding function must be performed to bleed the ABS.

6. Electronic Throttle Position Reset & Learn

Elec. Throttle Adaption is to utilize the car decoder to initialize the throttle actuator so that the learning value of the ECU returns to the initial state. By doing these, the movement of the throttle (or idle motor)can be more accurately controlled, thus adjust the intake volume.

7. Diesel Particulate Filter (DPF) Regeneration

DPF regeneration is used to clear PM (Particulate Matter) from the DPF filter through continuous combustion oxidation mode (such as high-temperature heating combustion, fuel additive or for reduce PM ignition combustion) to stabilize the filter performance.

8. Tire Pressure Monitor System Reset

After the tire pressure MIL turns on and maintenance is performed, the tire pressure resetting function must be performed to reset the tire pressure and turn off the tire pressure MIL. Tire pressure resetting must be performed after maintenance is performed in the following cases: tire pressure is too low, tire leaks, tire pressure monitoring device is replaced or installed, tire is replaced, tire pressure sensor is damaged, and tire is replaced for the car with tire pressure monitoring function.

9. Gear Learning

The crankshaft position sensor learns crankshaft gear machining tolerance and saves to the computer to more accurately diagnose engine misfires. lf gear learning is not performed for a car equipped for Delphi engine, the MlL turns on after the engine is started. The diagnostic device detects the DTC P1336' gear not learned'. In this case, you must use the diagnostic device to perform gear learning for the car. After gear learning is successful, the MIL turns off. After the engine ECU, crankshaft position sensor, or crankshaft flywheel is replaced, or the DTC 'gear not learned' is present, gear learning must be performed.

10. Anti-theft ( IMMO ) Matching

To prevent the car being used by unauthorized keys, the anti-theft key matching function must be performed so that the immobilizer control system on the car identifies and authorizes remote control keys to normally use the car. When the ignition switch key, ignition switch, combined instrument panel, ECU, BCM, or remote control battery is replaced, anti-theft key matching must be performed.

11. Injector matching

Write the injector's actual code or rewrite the code in the ECU to the injector code of the corresponding cylinder to more accurately control or correct cylinder injection quantity. After the ECU or injector is replaced, the injector code of each cylinder must be confirmed or re-coded so that the cylinder can better identify injectors to accurately control fuel injection.

12. Air Suspension Reset

This function can adjust the height of the body. When replacing the body height sensor in the air suspension system, or control module or when the vehicle level is incorrect, you need to perform this function to adjust the body height sensor for level calibration.

13. Gearbox / Transmission Reset

This function can complete the gearbox self-learning to improve gear-shifting quality. When the gearbox is disassembled or repaired (after some of the car battery is powered off), it will lead to shift delay or impact problems. In this case, this function needs to be done so that the gearbox can automatically compensate according to the driving conditions so as to achieve more comfortable and better shift quality.

14. Sunroof RESET

This function can set the sunroof lock off, closed when it rains, sliding/tilting sunroof memory function, temperature threshold outside the car etc.

15. For AFS Reset(Exhaust Gas Recirculation)

This feature is used to initialize the adaptive headlamp system. According to the ambient light intensity, the adaptive headlamp system may decide whether to automatically turn on the headlamps, and timely adjust the headlamp lighting angle while monitoring the vehicle speed and body posture.

16. Exhaust Gas Recirculation Reset

This function is used to learn the for Exhaust Gas Recirculation valve after it is cleaned or replaced.

Note: These special function NOT for all car models, if you are confused, Please send your car brand, model and release year to seller to check it for you.