User Manual

ALPS ELECTRIC Co., LTD
4.Entry System Options
4.1.System Schematic
4.2.Modules
4.2.1.FOB ECU
4.2.2.Entry System ECU
OTHER ECUS
LF (>2Kbps)
RF (>4Kbps)
Local Bus
ECU1 ECU2 ECU3
Body Bus
ENTRY SYSTEM ECU
FOB
125kHz
315MHz
FOB
RF
Amp
LF
Amp
ASIC
Z
X
Y
Lock
Unlock
Trunk
Key lock
Emergency key (Transponder)
125kHz
315MHz
ENTRY SYSTEM ECU
MCU
FT handle
BT handle
FH handle
BH handle
Trunk lid
Engine start
Bod
y
Bus
Local Bus
RF
Amp
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
Interior
FT BT FH BH Trunk
315MHz
125kHz