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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Smart Key System (Keyless Start) - Diagnostic Codes & Symptom Tests) >> SMART KEY SYSTEM (for Start Function) >> Immobiliser System does not Operate Properly [08/2019 - ] >> Description

Immobiliser System does not Operate Properly [08/2019 - ]: Description

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The immobiliser function compares the ID code that is registered to the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical key transmitter sub-assembly.

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