Operating The Transmitter Unlock Button Press Twice

When the transmitter unlock button 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, the doors will be unlocked.

Fig 1: Identifying All Door Unlock Function

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.