| 摘要 |
PROBLEM TO BE SOLVED: To start an engine even when an immobilizer system gets trouble by utilizing a keyless system. SOLUTION: A transponder 22 constituting a transmitter 11 and a keyless transmitting section 23 are incorporated into the gripping section of an ignition key. An immobilizer system is composed of an antenna coil 17, an amplifier 18 for an immobilizer code, an immobilizer electronic controller(ECU) 10 and a flux generating circuit 21. A keyless system is configured of an antenna 20, an amplifier 19 for a keyless code and a door-lock electronic controller(ECU) 16. When the immobilizer ECU 10 diagnoses by its self and a backup requirement signal is input to the door-lock ECU 16, the door-lock ECU 16 controls a fuel infection device 13 in place of the immobilizer ECU 16 when door lock is releasted or a door is locked by utilizing a door lock system, and a car can be operated. |
