System Description

POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
1. The power door lock system locks/unlocks all the doors.
  The master switch and the door control switch on the passenger door send "lock/unlock" request signals to the main body ECU RH. Then, the main body ECU RH sends these request signals to the lock motors in each door to lock/unlock all the doors at once in response to the inputs. (The BEAN is used when the master switch sends request signals to the main body ECU RH.)
  
  Operating the driver's door lock using a mechanical key sends request signals to lock/unlock the doors to the main body ECU RH via the master switch. "2-step unlock function" is optional for unlocking procedures of the key-linked lock for the driver side door.

FUNCTION OF MAIN COMPONENT

Components	Function
Multiplex network master switch assembly	Door control switch on master switch assembly locks/unlocks all doors.
Door control switch	Door control switch on passenger side door locks/unlocks all doors.
Door courtesy switch	Placed on each door. Detects door status (open or closed) and outputs data to main body ECU RH. Turns on when door is open and turns off when door is closed.
Driver side door lock	Built-in motor locks/unlocks door. Built-in door control switch (key-linked) detects door key operation's door status (locked or unlocked) and outputs data to main body ECU RH. Built-in position switch detects door status (locked or unlocked) and outputs data to main body ECU RH. This switch turns off when door is locked and turns on when door is unlocked.
Passenger side door lock and rear LH and RH door locks	Built-in motor locks/unlocks door. Built-in position switch detects door status (locked or unlocked) and outputs data to main body ECU RH. This switch turns off when door is locked and turns on when door is unlocked.

SYSTEM FUNCTION

HINT:

The following functions' default settings are ON. Some of these functions can be customized. Refer to CUSTOMIZE PARAMETERS .

This system is controlled by the main body ECU RH. The main body ECU RH outputs signals to each door lock motor. The door lock control system of the IS250/350 has the following functions:

Function	Outline
Manual lock and unlock function	This function can lock or unlock all doors by the door lock control switch operation.
Key-linked lock and unlock function	This function, which is linked with the mechanical key cylinder, can lock or unlock all the doors when a lock or unlock operation is effected.
Manual unlock prohibition function	Performing the door lock operation with an electrical key or a mechanical key will prohibit the unlock operation by the door lock control switch.
Key lock-in prevention function (Electrical key)	If a door lock operation is performed when the electrical key is in the cabin, all the doors will be unlocked.
Shift-linked automatic door lock function1, 2	When the conditions listed below are met consecutively, this function causes all the doors to be automatically locked. The engine switch is on (IG). All doors are closed. The shift lever is moved out of the P position. Any of the doors are unlocked.
Speed-sensitive automatic door lock function*3	When the conditions listed below are met consecutively, this function causes all the doors to be automatically locked. Vehicle speed is higher than approximately 20 km/h (13 mph). All doors are closed. Any one of the door is unlocked.
Shift-linked automatic door unlock function*1	When the engine switch is on (IG), if moving the shift lever to the P position from any other position, all the doors will be automatically unlocked.
Collision door lock release function	If the SRS airbag system has been deployed, and the main body ECU RH has detected the signal that is output by the airbag sensor assembly, the main body ECU RH unlocks all the doors.
One-motion open	When the door is locked, this function enables the door to be unlocked by memory pulling the inside handle of the door.
2-step unlock function	This function is provided to unlock the driver's door by turning the key cylinder first and to unlock remaining doors by turning it the seconds time.
Opening driver's door-linked automatic door unlock*4	All doors are unlocked automatically when the driver's door is opened within approximately 45 seconds after the power source is changed from "IG-ON) to the "ACC" or "OFF".

*1: for A/T
*2: The default setting for models without the Occupant Classification System is OFF
*3: The default setting for models with the Occupant Classification System and A/T is OFF
*4: The default setting for A/T is OFF