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Chapter 6 Service Operation
The Service section is specially designed to provide you with quick access to the vehicle systems. There are two
methods to reset service lamp: Manual reset or Auto reset. Auto reset follows the principle of sending command from
the tool to vehicle’s ECU to do resetting. While using manual reset, users just follow the on-screen instructions to
select appropriate execution options, enter correct data or values, and perform necessary actions, the system will
guide you through the complete performance for various service operations.
The most commonly performed service functions include:
1. Oil Reset Service
2. Electronic Parking Brake Reset
3. Steering Angle Calibration
4. ABS Bleeding
5. TPMS (Tire Pressure Monitor System) Reset
6. Gear Learning
7. IMMO Service
8. Injector Coding
9. Battery Maintenance System
10. Diesel Particulate Filter (DPF) Regeneration
11. Electronic Throttle Position Reset
6.1 Oil Reset Service
This function allows you to perform reset for the engine oil life system, which calculates an optimal oil life change interval
depending on the vehicle driving conditions and climate.
This function can be performed in the following cases:
1. If the service lamp is on, you must provide service for the car. After service, you need to reset the driving mileage or
driving time so that the service lamp turns off and the system enables the new service cycle.
2. After changing engine oil or electric appliances that monitor oil life, you need to reset the service lamp.
6.2 Electronic Parking Brake Reset
1. If the brake pad wears the brake pad sense line, the brake pad sense line sends a signal sense line to the on-board
computer to replace the brake pad. After replacing the brake pad, you must reset the brake pad. Otherwise, the car
alarms.
2. Reset must be performed in the following cases:
a) The brake pad and brake pad wear sensor are replaced.
b) The brake pad indicator lamp is on.
c) The brake pad sensor circuit is short, which is recovered.
d) The servo motor is replaced.
6.3 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 steering gearbox,
steering column, end tie rod, steering knuckle), performing four-wheel alignment, or recovering car body, you must reset
the steering angle.
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