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by radio frequency identification between a transponder in the ignition key and
a device called a radio frequency reader in the steering column. When the key
is placed in the ignition, the transponder sends a signal with a unique
identification code to the reader, which relays it to a receiver in the vehicle's
computer control module. If the code is correct, the computer allows the fuel
supply and ignition systems to operate and start the car. If the code is incorrect
or absent, the computer disables the system, and the car will be unable to
start until the correct key is placed in the ignition.
The IMMO service can disable a lost vehicle key and program the replacement
key fob. One or more replacement key fobs can be programmed.
ABS brake exhaust
Evacuate the air contained in the brake system with the ABS exhaust function
to achieve the normal braking performance of the ABS system.
Fuel injector coding
In order to achieve an effective fuel injection start point and precise fuel
injection quantity, it is necessary to write the fuel injector code or rewrite the
original code in the ECU into the code of the corresponding fuel injector of
each cylinder.
Suspension system
The horizontal adjustment is performed by adjusting the body height sensor
to eliminate the faults caused by the replacement of the suspension system
components (body height sensor, control module).
Throttle learning
Initialize the actuator of the vehicle throttle to make the ECU learned value
return to the initial status so as to control the intake air volume more accurately.
Door and window learning
It is necessary to initialize the vehicle window, and learn each of the limit
positions after the controller, the electronic window lift or the window is
replaced (or after the battery is disconnected or the main power fuse is
replaced during the repair for some model series).
