10E-2 Keyless Start System:
Parts and Functions
S7RS0BA501002
Parts Function
Keyless start control module
• Activates each antenna
• Verifies ID code of remote controller
• Requests steering lock unit to release steering lock
• Requests BCM to lock or unlock doors
• Controls key indicator lamp in combination meter
• Transmits its ID code to ECM
Remote controller
• Receives request signal from each antenna
• Transmits ID code and request signal to keyless start control module
• Request keyless start control module to lock or unlock doors (keyless entry
system function)
Request switch • Requests keyless start control module to activate each antenna
Center antenna • Transmits request signal to remote controller
Luggage room antenna • Transmits request signal to remote controller
Driver side door antenna • Transmits request signal to remote controller
Passenger side door antenna • Transmits request signal to remote controller
Rear end door antenna • Transmits request signal to remote controller
Steering lock unit • Releases steering lock
Unlock button • Transmits door unlock request signal (keyless entry system function)
Lock button • Transmits door lock request signal (keyless entry system function)
BCM
• Controls each door lock actuator
• Controls warning buzzer
• Lights hazard warning lamp and interior (DOME) light (answer back)
Key indicator lamp
• Indicates operation state of keyless start system (indicates check result of
remote controller ID code)
ECM
• Checks keyless start control module ID code
• Transmits its ID code to keyless start control module
• Starts engine
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