Power Locks: Description and Operation

System Outline

The door lock control is controlled through the various signals input into the body ECU through communication control of the body ECU etc.

1. Manual Unlock Operation
When the door lock control SW of the driver's or passenger's side door is pushed to UNLOCK, the door lock will unlock.

2. Manual Lock Operation
When the door lock control SW of the driver's or passenger's side door is pushed to LOCK, the door lock will lock.

3. Door Key Unlock Operation
- Unlock operation from driver's side door
When the driver's side door is unlocked once using the ignition key, only the driver's side door is unlocked. If this operation is repeated within 3 seconds, all the other doors are unlocked.

4. Ignition Key Reminder Operation
When the door lock operation is made using the door knob with the ignition key remained inserted in the key cylinder and the door open, unlock operation is automatically made. Additionally, if lock operation is made with the door lock control SW or door key lock and unlock SW, unlock operation is automatically made after the lock operation has been completed.

5. Shift-Lever-Interlocked Auto Lock Control
- Auto lock operation
The auto lock control automatically locks all doors when the shift lever is thrown into another position from parking with all doors closed, the ignition switch ON, and the engine running.

- Auto unlocking operation
The auto lock control automatically unlocks all doors when the shift lever is thrown into parking from another position with the ignition switch ON, traveling at a speed not exceeding 16 km/h.

6. Vehicle-Speed-Interlocked Auto Lock Control
- Auto lock operation control
If any of the doors are not locked with the ignition switch ON and the engine running, the auto lock control automatically locks all doors when the vehicle has gathered speed reaching or exceeding 20 km/h.

- Unlocking prevention feature
When the vehicle is traveling at a speed reaching or exceeding 20 km/h, the unlocking function that prevents driver from locking himself out is disabled.

- Auto lock repeat prevention feature
Once auto lock is activated, auto lock operation cannot not be repeated until a door is opened or the ignition switch is turned OFF with the vehicle traveling at a speed not exceeding 16 km/h.

7. Door-Open/Close-Interlocked Auto Unlocking
When the driver's seat door is opened within 10 seconds after the ignition switch is turned OFF with the door closed, all doors are unlocked automatically.

When the battery terminal or fuse is disconnected for some reason, resetting to the initial status is necessary using the door lock control SW front LH (Driver's seat master SW) in accordance with the following procedure:

1. Reconnect the battery terminal or fuse.
2. With the back door closed, operate the door lock control SW front LH (Driver's seat master SW) for locking and unlocking.