Continental Automotive GmbH HFMC1A01 Manual De Usuario
Author:
J
EROME LEE
USER MANUAL
Version:
2.0 HFMC1A01
Chap. 0
File:
User_Manual_Model_HFMC1A01
_v2.0.
docx
Fehler! Verweisquelle konnte
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Page 6 / 10
3 Engine Start
There are two ways to start the Engine:
1. When the Hand free functions are disabled
First User has to hold the key fob in front of Immobilizer antenna for at least than 30s after one
of the following action: press of the “START” button on the dashboard, open or close a door or
press vehicle brake pedal. Each key fob has a transponder. When the key fob is hold in front
of Immobilizer antenna, the HFM sen
of the following action: press of the “START” button on the dashboard, open or close a door or
press vehicle brake pedal. Each key fob has a transponder. When the key fob is hold in front
of Immobilizer antenna, the HFM sen
ds a ‘transponder” recognition order to the key fob throw
the Immobilizer antenna. The HFM
performs a ‘transponder” authentication using 125 kHz
transceiver. The key fob sends the authentication result to the HFM. Then the HFM sends on
the CAN bus a message to the central unit and engine control unit to allow or not the START
of the engine.
The engine starts function is allowed using any key fob type.
the CAN bus a message to the central unit and engine control unit to allow or not the START
of the engine.
The engine starts function is allowed using any key fob type.
2. When the Hand free functions are enabled
The user does not need to hold the key fob in front of the Immobilizer antenna. The key fob
should only be inside the vehicle. When the “START” button is pushed, the HFM sends a
recognize message at 125 kHz link via internal LF antennas. Receiving this message, the key
fob sends an authentication message at 433.92 MHz or 315 MHz (depending of the key fob
frequency type) to the HFM. Then the HFM sends on the CAN bus a message to the central
unit and engine control unit to allow or not the START of the engine.
should only be inside the vehicle. When the “START” button is pushed, the HFM sends a
recognize message at 125 kHz link via internal LF antennas. Receiving this message, the key
fob sends an authentication message at 433.92 MHz or 315 MHz (depending of the key fob
frequency type) to the HFM. Then the HFM sends on the CAN bus a message to the central
unit and engine control unit to allow or not the START of the engine.
The engine start function is allowed using any key fob type.