The central door locking system that locks/unlocks all the doors (including back door) using the driver’s door key cylinder or the driver’s door lock switch has been installed.
A child protection is used to prevent the rear doors from being opened accidentally during driving.
Key reminder function has been introduced.
DESCRIPTION OF STRUCTURE AND OPERATION
CENTRAL DOOR LOCKING
All the doors (including back door) can be locked/unlocked, using the driver’s door key cylinder or the driver’s side door lock switch.
When the door is locked by the driver’s door key cylinder or the driver’s door lock switch, the ETACS-ECU operates its door lock relay and passes a current through the door lock actuators of all the doors (including the back door) for 0.25 second to lock all the doors (including the back door).
When the door is unlocked by the driver’s door key cylinder or the driver’s door lock switch, the ETACS-ECU operates its door unlock relay and passes a current through the door lock actuators of all the doors (including the back door) for 0.25 second to unlock all the doors (including the back door).
KEY REMINDER FUNCTION
When the driver’s door is opened with the ignition key inserted to the ignition cylinder and the door is locked, after approximately 0.3 second, ETACS-ECU turns ON the unlock relay output for 0.25 second to discourage the door lock operation so that the ignition key left in the ignition cylinder is prevented. If the discouraging the door lock operation fails, the current supply will be retried (The unlock relay output is turned ON for 0.25 second up to five times with one second interval).
note
The broken line in the graph indicates the current supply retry state if the discouraging door lock operation fails.
)
)
)
)
)
)