2.2.Engine Start
User operates the engine start knob.
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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.
FOB
RF
LF
Start the engine.
Figure 3
2.3.Engine Stop
User operates the engine stop knob.
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ECU communicates with the other ECU for engine start request.
Engine controller ECU receives the request.
Stop the engine
Figure 4
