System Overview

The System offers the following features:

• Human machine interface through a 1-stage button, for terminal switching and engine start.
• Control of external relays for ACC/IGN1/IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
• Indication of vehicle status on LCD or explicit messages on display.
• Immobilizer function by LF transponder communication between fob and start/stop button.
• 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.