RT-3 USER GUIDE____________________________________________________
The immobilizer ECU compares the read code with the stored codes(with a maximum
of eight).If the read code matches with one of the stored codes, the immobilizer ECU
authorizes the starting. Otherwise, if the use tries to start the vehicle, this will stop
after two second of engine rotation simulating a system’s fault to dissuade the thief.
Moreover when the engine just starts, the immobilizer´s ECU proceeds with the
recognition of the injection ECU allowing starting if the code is correct.
3.2.5 CODIFYING
The authorization of the vehicle’s ignition is determined by the check explained in the
recognition section. Therefore, it’s imperative that the immobilizer ECU recognizes both the
injection ECU and the authorized keys.
Both processes are separated in the following functions:
1.
2.
Inmobilizer ECU codifying: procedure of recognition and memorization of the
injection ECU’s code. This process is necessary when substituted the injection ECU
and/or the immobilizer ECU.
Keys codifying: Allows codifying and memorizing up to eight keys that allow the
vehicle’s ignition. This process is necessary when:
•
Immobilizer ECU substitution(in such case it’s necessary to follow before the
step 1)
•
New key codifying due to loss or malfunction of an already codified key.
The process of key codifying can be done from the ”CODIFYNG” section inside of
the “IMMOBILIZER” electronic system menu.
Observe: Previous to any operation, consult the present faults so that there aren’t
memorized faults pointing malfunctioning of the ECU or the radio-frequency transductor.
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