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LAUNCH X-431 PRO3 User Manual

6.9 Battery Maintenance System Reset

This function enables you to perform a resetting operation on the monitoring unit

of vehicle battery, in which the original low battery fault information will be

cleared and battery matching will be done.

Battery matching must be performed in the following cases:

a) Main battery is replaced. Battery matching must be performed to clear

original low battery information and prevent the related control module from

detecting false information. If the related control module detects false

information, it will invalidate some electric auxiliary functions, such as

automatic start & stop function, sunroof without one-key trigger function,

power window without automatic function.

b) Battery monitoring sensor. Battery matching is performed to re-match the

control module and motoring sensor to detect battery power usage more

accurately, which can avoid an error message displaying on the instrument

panel.

6.10 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 catalyst reduce PM ignition combustion) to

stabilize the filter performance.

DPF regeneration may be performed in the following cases:

a) The exhaust back pressure sensor is replaced.

b) The PM trap is removed or replaced.

c) The fuel additive nozzle is removed or replaced.

d) The catalytic oxidizer is removed or replaced.

e) The DPF regeneration MIL is on and maintenance is performed.

f) The DPF regeneration control module is replaced.

6.11 Electronic Throttle Position Reset

This function enables you to make initial settings to throttle actuators and returns

the “learned” values stored on ECU to the default state. Doing so can accurately

control the actions of regulating throttle (or idle engine) to adjust the amount of

air intake.

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