User Manual

Document No. Title Page

5AX000XX00 Product Specification

Background

Passive Entry System

FORMAT NO. FIRMWARE_A(VER 0.01)

2.2.Engine Start

• User pushes / operate the engine start button / knob.

• ECU sends LF-challenge via interior antenna.

• FOB sends RF-response to the ECU.

• Immobilizer ECU receives and authorize the response.

• Engine controller ECU receives the authorization for engine strat.

• Start the engine.

Figure 3

2.3.Engine Stop

• User pushes / operate the engine stop button / knob.

• ECU communicates with the other ECU for engine start request.

• Engine controller ECU receives the request.

• Stop the engine

Figure 4

FOB