Power Door Lock Control System (For Sedan) System Description
POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
FUNCTION OF MAIN COMPONENT
DESCRIPTION
Power Door Lock Control System (For Sedan) -- System Description |
POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION |
The power door lock system locks / unlocks all the doors simultaneously.
The door control switch sends lock / unlock request signals to the main body ECU. Then, the main body ECU sends these requests to lock motors in each door to lock / unlock all the doors simultaneously. Operating the driver or front passenger side door lock using a key sends lock / unlock request signals to the main body ECU.
FUNCTION OF MAIN COMPONENT |
Component
| Function
|
Master switch
| Door control switch (for front driver door side) on master switch locks / unlocks all doors
|
Door courtesy switch
| - One for each door
- Detects door status (open or closed) and outputs data to integration relay
- Turns on when door is open and off when door is closed
|
Driver door lock
| - Built-in motor locks / unlocks door
- Built-in door control switch (key-linked) detects door lock status (locked or unlocked) and outputs data to integration relay
|
Passenger door, rear LH door, rear RH door
| Built-in motor locks / unlocks doors
|
This system is controlled by the main body ECU. The main body ECU outputs signals to each door lock motor.
The door lock control system in the vehicle has the following functions:
Function
| Outline
|
Manual lock and unlock function
| Locks / unlocks all doors by door control switch lock operation (manual operation)
|
Key-linked lock and unlock function
| - Linked with driver door key cylinder
- Locks / unlocks all doors when lock / unlock operation is possible
- Driver side door key-linked lock / unlock function does not operate when seat belt is fastened
|
Key-linked 2-step unlock
| This function is provided to unlock driver's door by turning key cylinder first step and to unlock all doors by turning it second step. However, second step must be performed within three seconds.
|
All doors lock with transmitter*
| Pressing transmitter's LOCK switch locks all doors
|
All doors unlock with transmitter*
| Pressing transmitter's UNLOCK switch unlocks all doors
|
- HINT:
- *: Only for models with wireless door lock system