System Overview

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.