Keyless Entry: Description and Operation

KEYLESS ENTRY SYSTEM




GENERAL DESCRIPTION CONCERNING KEYLESS ENTRY SYSTEM
The following ECUs affect the functions and control of the keyless entry system.

ALL DOOR LOCK FUNCTION




OPERATING THE TRANSMITTER LOCK SWITCH
When the transmitter lock switch is pressed, the ETACS-ECU activates the lock relay output for 0.25 seconds and locks all doors.

DRIVER'S DOOR UNLOCK FUNCTION




OPERATING THE TRANSMITTER UNLOCK SWITCH PRESS ONCE
When the transmitter unlock switch is pressed once, the ETACS-ECU activates the unlock relay output for 0.25 seconds and unlocks driver's door.

ALL DOOR UNLOCK FUNCTION




OPERATING THE TRANSMITTER UNLOCK SWITCH PRESS TWICE
When the transmitter unlock switch is pressed twice, the ETACS-ECU activates the unlock relay output for 0.25 seconds and unlocks all doors.

TRUNK LID OPEN FUNCTION




OPERATING THE TRANSMITTER TRUNK SWITCH
When the transmitter trunk switch is pressed, the ETACS-ECU activates the open relay output for 0.25 seconds and open trunk lid.




KEYLESS ENTRY HAZARD ANSWERBACK AND HORN ANSWERBACK FUNCTION
The hazard answerback and horn answerback function which facilities checking of lock or unlock operations even during daytime is provided. When the lock signal is input from the keyless entry transmitter to the ETACS-ECU, the hazard light flashes twice and horn sounds once. When the unlock signal is input, hazard light flashes once.

NOTE: Hazard answerback function can be disabled by the configuration function (Refer to On-vehicle Service Simplified Wiring System (SWS)).