Functional Description - Radio Frequency Hub (RF Hub)
The Radio Frequency Hub (RFH):
- receives the input request to start from the KIN.
- energizes the key fob transponder in order to read it.
- sends a random code to the transponder and in return, receives a crypt code from the transponder.
- validates the key fob using LF antennas.
- validates that the brake is engaged.
- sends a request to the BCM to change the ignition state.