Radio Frequency Hub (RFH)
RADIO FREQUENCY HUB (RFH)
| Refer to COMPONENT INDEX . |
The RFH:
- receives the input request to start from the ignition
- energizes the key transponder in the key fob in order to read it
- sends a random code to the transponder and in return, receives a minikrypt code from the transponder
- validates the key fob using LF antennas
- Receives and validates transmission in park via Shift Lock switch (remote start use only)
- validates that the brake is engaged
- sends a request to the BCM to change the ignition state