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Keyless Access System Description - Control/Function
Smart Entry Function
The keyless access control unit detects the input signal of the door outer handle touch sensor or the door lock switch, and authenticates 2-way communication with the remote. Then the keyless access control unit sends a door lock/unlock signal and an answer back buzzer signal to the MICU via the B-CAN. Keyless Entry Function
The keyless access control unit receives keyless transmitter signal from the remote, and authenticates the RF signal. Then the keyless access control unit sends a door lock/unlock signal to the MICU via the B-CAN. Backup Communication Function
The keyless access system has a backup communication feature: If the keyless battery goes dead, touch the remote to the engine start/stop switch on the dashboard. The remote transponder then receives an immobilizer code from the engine start/stop switch, allowing you to start the vehicle. Remote Engine Start System
Start the Engine
The remote engine start function is initiated by pressing the lock button, and then pressing the remote engine start button on the remote transmitter within 5 seconds. An RF signal from the transmitter is received by the keyless access control unit, then the keyless access control unit sends the request to start the engine to the PCM. At same time, the keyless access control unit authenticates the key for the immobilizer system. The keyless access control unit also disables the power windows and the gauge control module illumination, by sending a signal via the B-CAN to all related control units. The Keyless access control unit disable the headlights and the windshield wiper, by sending the remote engine start signal via the B-CAN to the MICU and not sending the IG1-REM signal. Remote Engine Start Link
The climate control unit, the rear window defogger, and the mirror defoggers are activated through the keyless access control unit via the B-CAN. Key Lockout Prevent Function
The keyless access control unit monitors whether or not there is the remote in the vehicle. If the remote is in the vehicle, the system will not lock the doors. If the driver manually locks and closes the doors with a remote in the vehicle, the MICU energizes the driver's door actuator and unlocks the driver's door. When the trunk is closed with the remote left in the trunk, the keyless access control unit detects the location of the remote unit and does not lock the trunk. Electric Steering Lock
The electric steering lock control unit is built into the electric steering lock, and it controls the steering lock motor. When the remote code is identified, the electric steering lock control unit unlocks the steering lock by controlling the steering lock motor. Remote Search Function
Determine if the remote is present inside the vehicle during some operation or function. When the remote is taken out of the vehicle with the ACCESSORY or ON mode, the outside buzzer will sound and the gauge control module (only at the vehicle ON mode) will show a warning. Lighting and Indicator Function
The keyless access control unit controls the engine start/stop switch indicator, displays information in the information display or the multi-information display (MID), and illuminates the keyless access system indicator in the gauge control module. Immobilizer Function
The immobilizer function is activated by mutual authentication between the keyless access control unit, the PCM, and the MICU (IMOES) via the S-NET line. Alarm Function
Detects the door open or closed with the vehicle in the ACCESSORY or ON mode. When the remote is taken out of the vehicle, the keyless buzzer will sound and the information display or the multi-information display (MID) (Only at the vehicle in the ON mode) will show a warning. Before the remote battery level falls to the point where the remote cannot be detected, the information display or the multi-information display (MID) will show a warning and will sound an alarm. Registration Facility
The keyless access control unit can store up to 6 remotes with the HDS. Fault Diagnosis Function
The system has a fault diagnosis function. If any malfunction occurs, the keyless access system indicator comes on in the gauge control module. Customer Emergency
If you must stop the engine in an emergency situation, do either of the following:
Panic Function
When you press the PANIC button on the remote, the keyless access control unit sends a signal to the MICU via the B-CAN to sound the horn and activate the exterior lights. |
