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Hyundai
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2023
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Tucson Hybrid Limited
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Button Engine Start System (HEV)
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Description And Operation
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Description
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System Main Function
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Notes
System Main Function: Notes
Switching of ACC/IGN1/IGN2 terminals.
Control of the STARTER relay BAT line (high side) based on communication with EMS ECU.
Management of the Immobilizer function.
Management of BES warning function.