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.
• Steering column locking with an ESCL device; Monitoring of the vehicle status to insure safe activation of the ESCL.
• Indication of vehicle status through LED 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 separated system.