LAUNCH
X-431 PAD V ELITE
User Manual
37
6 Service Function
This module provides an easy dial to quickly access the most commonly performed service functions.
It offers coding, reset, relearn and more service functions, to help vehicles get back to functional status after repair or
replacement.
6.1 Oil Reset Service
This function enables you to reset the oil service for the engine oil life system, which calculates an optimal oil life
change interval depending on the vehicle driving conditions and weather events.
It needs to be performed in the following cases:
1. If the service lamp is on, run car diagnostics first for troubleshooting. After that, reset the driving mileage or driving
time, so as to turn off the service lamp and enable a new driving cycle.
2. If the service lamp is not on, but you have changed the engine oil or electric appliances that monitor oil life, you need
to reset the service lamp.
6.2 Electronic Parking Brake Reset
This function enables you to reset the brake pad after replacing the brake pad.
It needs to be performed in the following cases:
• The brake pad and brake pad wear sensor are replaced.
• The brake pad indicator lamp is on.
• The brake pad sensor circuit is short, which is recovered.
• The servo motor is replaced.
6.3 Steering Angle Calibration
This function can reset the steering angle to zero to keep the car running straight.
It needs to be performed generally after replacing the steering angle position sensor, or after replacing the mechanical
parts of the steering system (such as steering gear, steering column, tie rod ball head, steering knuckle), or after
completing the four-wheel alignment, body repair, etc.
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.
6.4 ABS Bleeding
This function allows you to perform tests to check the operating conditions of Anti-lock Braking System (ABS).
It needs to be performed in the following cases:
1. When the ABS contains air.
2. When the ABS computer, ABS pump, brake master cylinder, brake cylinder, brake line, or brake fluid is replaced.
The bleeding procedure is as follows: 3 people are required to cooperation with the operation. One person is
responsible for depressing the brake, another is in charge of adding brake fluid and the other takes charge of loosening
or tightening the screws for bleeding.
6.5 Tire Pressure Monitor System Reset
This function can reset the tire pressure and turn off the tire pressure MIL.
It needs to be performed in the following cases:
1. After the tire pressure MIL turns on and maintenance is performed, the tire pressure resetting function must be
