System Overview
WARNING: This page is about a different car, the 2018 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.
The System offers the following features:
- Changing the state of engine ignition and power by using the start button.
- Controlling external relays for ACC/IGN1/IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
- Indicating the vehicle status on display by using LED or explicit messages.
- Immobilizer function by LF transponder communication between fob and fob holder.
- Redundant architecture for high system dependability.
- Interface with Low Speed CAN vehicle communication network.
- Interface with LIN vehicle communication network depending on platform.
The RKE and SMART KEY functions are not considered part of this Button Engine Start system and are specified in a separate system.