IMMOBILIZER STATES
1. Engine Control Module (ECM) States
The ECM has three defined states. These are described below.
State
Description
Virgin State
• The ECM is delivered to HMC in virgin state
• There is no Vehicle Identification Number (VIN) stored in the ECM
• It can only be in virgin state once
• The ECM will allow starting on the second cycle of ignition
• Virgin state is exited when a VIN has successfully been taught by the BCM
Learnt State
Engine start is possible only when the received VIN from the BCM matches that
stored in the ECM
• VIN has been deleted
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24.04.2008
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