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43
LAUNCH
Professional 909E User Manual
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
identies 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.
5.5.8 Injector Coding
Write injector actual code or rewrite code in the ECU to the injector code of
the corresponding cylinder so as to more accurately control or correct cylinder
injection quantity.
After the ECU or injector is replaced, injector code of each cylinder must
be confirmed or re-coded so that the cylinder can better identify injectors to
accurately control fuel injection.
5.5.9 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.
5.5.10 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 lter 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.
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