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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Engine Control System - Symptom Tests [A25A-FKS] (2 Of 2)) >> SFI System >> Circuit Tests >> Starter Signal Circuit [08/2020 - ] >> Description

Starter Signal Circuit [08/2020 - ]: Description

WARNING: This page is about a different car, the 2021 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

While the engine is being cranked, current flows from terminal STAR of the certification ECU (smart key ECU assembly) to the park/neutral position switch assembly and to terminal STA of the ECM (STA signal).

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