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
433.92
MHz
FOB
RF
Amp
LF
Amp
ASIC
Z
X
Y
Lock
Unlock
Trunk
Key lock
Emergency key (Transponder)
125kHz
433.92
MHz
ENTRY SYSTEM ECU
MCU
FT handle
BT handle
FH handle
BH handle
Trunk lid
Engine start
Body Bus
Local Bus
RF
Amp
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
LF
Exciter
Interior
FT
BT
FH
BH
Trunk
433.92
MHz
125kHz