System Description
SIGNAL TRANSMISSION FUNCTION LIST
| Signal name | Input | Output | Description |
|---|---|---|---|
| Lock/unlock switch signal | BCM | IPDM E/R (CAN) | Inputs the lock/unlock switch signal via CAN communication |
| Each door switch signal | BCM | IPDM E/R (CAN) | Inputs the door switch via CAN communication |
| Hood switch signal | IPDM E/R | BCM (CAN) | Inputs the hood switch signal via CAN communication |
The vehicle security system has one function (panic alarm) and reduces the possibility of a theft or mischief by activating horns and headlamps when the keyfob button is pressed.
PANIC ALARM
- The panic alarm function activates horns and headlamps intermittently when the owner presses the PANIC ALARM button of Intelligent Key outside the vehicle while the power supply position is OFF or LOCK.
- When Intelligent Key unit receives panic alarm signal from Intelligent Key, Intelligent Key unit transmits "Theft Warning Horn Request" signal and "High Beam Request" signal intermittently to IPDM E/R via CAN communication. To prevent the activation due to mis-operation of Intelligent Key by owner, the panic alarm function is activated when Intelligent Key unit receives the signal for 0.4 - 0.6 seconds.
- Panic alarm operation is maintained for 25 seconds.
- Panic alarm operation is cancelled when Intelligent Key unit receives one of the following signals:
- LOCK button of Intelligent Key: ON
- UNLOCK button of Intelligent Key: ON
- PANIC ALARM button of Intelligent Key: Long pressed
- Any door request switch: ON