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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 129 (Smart Key System (For Start, HV) - Symptom Tests (2 Of 2)) >> SMART KEY SYSTEM (for Start Function, HV Model) >> Immobilizer System does not Operate Properly [12/2019 - 11/2023] >> Description

Immobilizer System does not Operate Properly [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

The immobilizer function compares the ID code that is registered in 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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