Construction Diagram: Notes
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA. MAIN COMPONENTS AND FUNCTIONS
| Parts name |
Functional description |
| WCM |
Controls the keyless entry functions, TPMS functions and starting of the engine by using the following communications.
- Communications with ETACS-ECU, ECK, ABS or ASC-ECU and combination meter via CAN
- Wireless communication with the ignition key (transmitter)
- Wireless communication with the TPMS transmitter
|
| Ignition key (transmitter) |
The ignition key (transmitter) receives signals sent from WCM, certifies the transponder ID code, calculates the encrypted code, 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. Warning symbol and message is additionally displayed on the Multi information display. |
| Combination meter (Multi information display, TPMS warning light) |
Communicates with WCM via CAN. Send ignition switch status. Receives the warning request or warning information from WCM, activates the TPMS warning light. |
| ETACS-ECU |
Communicates with WCM via CAN. Receives the door lock/unlock request from WCM, outputs the lock/unlock signal and flashes the turn signal light to inform the driver that the doors are locked/unlocked. |
| ABS or ASC-ECU |
Communicates with WCM via CAN. Sends the vehicle speed data. |
| ECM |
Communication with WCM via CAN. Send atmospheric pressure data. |
| TPMS transmitter |
Measure tire pressure directly, then send radio frequency signal to WCM. |