GENERAL




  • The ignition key (transmitter and transponder) <Vehicles with keyless entry system> incorporates an indicator lamp that enables the driver to check if the signal is transmitted correctly or if the battery in the key is discharged.
  • Each vehicle is provided with two ignition keys as standard, and up to eight ignition keys can be registered.
  • Settings of the keyless entry function can be adjusted using a customisation function.


CONSTRUCTION DIAGRAM






Main components and functions
Parts name
Functional description
WCM
Controls the keyless entry functions and starting of the engine by using the following communications.

  • Communications with ETACS-ECU and the engine-ECU via CAN
  • Wireless communication with the ignition key
Ignition key (transmitter and transponder) <Vehicles with keyless entry system>
The ignition key (transponder) receives signals sent from WCM, certifies the key ID code, calculates the key ID, and sends the reply data signal to WCM. The ignition key (transmitter) also sends signals to WCM when the lock/unlock switches on it are operated.
Ignition key (Transponder)
The ignition key (transponder) receives signals sent from WCM, certifies the key ID code, calculates the key ID, and sends the reply data signal to WCM.
ETACS-ECU
Communicates with WCM via CAN send ignition switch status. Receives the door lock/unlock request from WCM, outputs the lock/unlock signal and flashes the turn signal lamp and room lamp to inform the driver that the doors are locked/unlocked.
Engine- ECU
Communicates with WCM via CAN. Permits/inhibits the engine starting and controls the engine operation.

System configuration