DENSO Korea Corporation EN00040 User Manual
Smart Key ECU – EG00040
Product Outline
Product Description
RF characteristic
Nominal frequency
433.92MHz
Local oscillator frequency
37.95625MHz (Crystal)
RF Antenna
External antenna
LF characteristic
Nominal frequency
134.2kHz
Local oscillator frequency
4.2944MHz (Crystal)
LF Antenna
External antenna (Ferrite antenna coil)
Transponder
characteristic
characteristic
Nominal frequency
134.2kHz
Local oscillator frequency
4.00MHz (Ceramic Resonator)
Transponder Antenna
External antenna (antenna coil)
Power Supply
Nominal supply voltage
12V DC
The Smart Key system is a comfort
feature that allows the user to lock,
unlock
feature that allows the user to lock,
unlock
the doors of the vehicle
without
using a mechanical key
.
The user has to carry with him the
Smart
Key
Fob
as
a
wireless
authentication
is
performed
when
toggle button or Start Stop Button
inputs are triggered.
For communication with the SMART
Key FOB, Smart Key ECU generates a
request (challenge) as an encoded and
modulated signal (134.2 kHz..) at the
inductive antenna outputs and receives
the SMART Key FOB's response via
the external RF ANT and internal
receiver
Key FOB, Smart Key ECU generates a
request (challenge) as an encoded and
modulated signal (134.2 kHz..) at the
inductive antenna outputs and receives
the SMART Key FOB's response via
the external RF ANT and internal
receiver
Appearance
Unit : mm
155
135
33
Unit : mm