System Description
SYSTEM DIAGRAM
System Description
The Intelligent Key has the same functions as the remote control entry function. Therefore, it can be used in the same manner as the remote controller by operating the door lock/unlock button. Remote keyless entry function controls operation function of the following items.
- Door lock and unlock function (Intelligent Key)
- Selective unlock function (Intelligent Key)
- Reminder function (Intelligent Key)
- Auto door lock function (Intelligent Key)
- Automatic back door open/close function
- Panic alarm
- Remote engine start function
Signal transmission function list
| Signal name | Input | Output | Description |
|---|---|---|---|
| Key ID signal | Remote keyless entry receiver | Intelligent Key Unit | Inputs Key ID signal to the BCM to activate/deactivate each door lock actuator. |
| Door switch signal | Door switch | BCM | Inputs door switch signal and transmits it via CAN communication. |
| Push switch signal | Push-button ignition switch | Intelligent Key Unit | Inputs push-button ignition switch signal. |
| Door lock/unlock switch signal | BCM | Intelligent Key Unit | Inputs door lock/unlock switch signal to the Intelligent Key Unit via CAN communication to activate/deactivate each door lock actuator. |
| Horn request signal | BCM | IPDM E/R (CAN) | Inputs horn request signal to the IPDM E/R to activate the horn. |
| Back door open request switch signal | Automatic back door control module | BCM | Inputs back door open request switch signal and transmits it via CAN communication. |
DOOR LOCK AND UNLOCK FUNCTION (INTELLIGENT KEY)
Operation Description
- When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmitted from Intelligent Key to Intelligent Key unit via remote keyless entry receiver.
- Intelligent Key unit receives the signal and compares it with the registered key ID to the vehicle.
- If the verification result is OK, Intelligent Key unit transmits the door lock/unlock request signal to BCM via CAN communication.
- BCM transmits door lock/unlock signal to each door lock actuator, activates each door lock actuator.
Operation Condition
If the following condition is satisfied, door lock and unlock operation is performed if the Intelligent Key button is pressed.
| Intelligent Key button operation | Operation condition |
|---|---|
| Lock |
|
| Unlock | Panic alarm is not activated |
SELECTIVE UNLOCK FUNCTION (INTELLIGENT KEY)
Lock Operation
When lock signal is sent from Intelligent Key, all doors are locked.
Unlock Operation
When unlock signal from Intelligent Key is transmitted, front door LH is unlocked. When unlock signal is transmitted from Intelligent Key within 60 seconds again, all doors are unlocked.
REMINDER FUNCTION (INTELLIGENT KEY)
Operation Description
When doors are locked or unlocked by Intelligent Key button operation, BCM blinks hazard warning lamps as a reminder and transmits horn request signal to IPDM E/R via CAN communication. The reminder function has C mode and S mode.
| Operation | C mode | S mode | ||
|---|---|---|---|---|
| Intelligent Key Operation | Lock | Unlock | Lock | Unlock |
| Hazard warning lamp blinks | Twice | One | Twice | - |
| Horn sound | One | - | - | - |
Operation Condition
When any door is open, reminder function does not operate according to door lock operation.
How to Change Reminder Function Operation Mode
- Reminder function operation mode can be changed using combination meter setting.
- When lock and unlock signal are sent from the Intelligent Key for more than 4 seconds at the same time, the hazard and buzzer reminder mode is changed and hazard warning lamp blinks and horn sounds as per the following items:
AUTO DOOR LOCK FUNCTION (INTELLIGENT KEY)
After door is unlocked by Intelligent Key button operation and if 60 seconds or more passes without performing the following operation, all doors are automatically locked. However, operation check function does not activate.
| Operating condition |
|
AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION
When back door open button is pressed, back door open automatically for detailed description. Refer to System Description .
PANIC ALARM
When panic alarm button is pressed, horn sounds and headlamp blinks. Refer to System Description .
REMOTE ENGINE START FUNCTION
When remote engine start button is pressed, engine can be started. Refer to System Description .
OPERATION AREA
To check that the Intelligent Key works normally, use within 1 m (3 ft.) range of each door, however the operable range may differ according to surroundings.
LIST OF OPERATION RELATED PARTS
Parts marked with x are the parts related to operation.
| Function | Intelligent Key | Intelligent Key unit | Door switch | Door lock actuator | Push-button ignition switch | CAN communication system | BCM | Automatic back door control unit | Combination meter | Hazard warning lamp | IPDM E/R | Horn |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Door lock and unlock function (Intelligent Key) | x | x | x | x | x | |||||||
| Reminder function (Intelligent Key) | x | x | x | x | x | x | x | x | x | |||
| Auto door lock function (Intelligent Key) | x | x | x | x | x | x | ||||||
| Selective unlock function | x | x | x | x | x |