Keyless Entry: Description and Operation

KEYLESS ENTRY SYSTEM

Keyless entry answerback function
If the RKE transmitter "LOCK" or "UNLOCK" switch is pressed while the ignition key is removed, the doors can be locked or unlocked. If the doors are closed, the hazard warning lights, the dome light and the horn will operate due to answerback function. Because of the answerback function, the hazard warning lights flash twice, and the horn sounds once, the dome light flashes twice when the doors are locked. Meanwhile, when the doors are unlocked, the hazard warning lights flash once and the dome light illuminates for 30 seconds. The hazard and the horn answerback functions can be cancelled by using the RKE transmitter.

Trunk lid opener function
After "TRUNK" switch of the transmitter is turned "ON" twice within five seconds without ignition key in the key hole, ETACS-ECU makes trunk lid opener actuator open the trunk lid.

GENERAL DESCRIPTION CONCERNING THE KEYLESS ENTRY SYSTEM







The above 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 energizes its door lock relay to operate all the door lock actuators for 0.25 second thus causing all doors to be locked.

Driver's door unlock function







Operating the transmitter unlock switch press once
When the transmitter unlock switch is pressed once, the ETACS-ECU energizes its door unlock relay to operate the door lock actuator of the driver's door for 0.25 second thus causing only the driver's door to be unlocked.

All door unlock function







Operating the transmitter unlock switch press twice
When the transmitter unlock switch is pressed twice, the ETACS-ECU energizes its door unlock relay to operate the driver's door lock actuator and the other door lock actuators for 0.25 second each in succession. Then, all doors will be unlocked.

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 second 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 day-time 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.