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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Engine Immobilizer System (W/O Smart Key) (Diagnostic Codes & Circuit Tests)) >> ENGINE IMMOBILIZER SYSTEM (w/o Smart Key System) >> Circuit Tests >> ECU Power Source Circuit >> Description
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ECU Power Source Circuit: Description

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

This circuit provides power to operate the transponder key ECU assembly.

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