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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Engine Control System (2GR-FKS) - Circuit Tests (1 Of 2)) >> SFI System >> Starter Signal Circuit [09/2019 - 09/2020] >> Description

Starter Signal Circuit [09/2019 - 09/2020]: Description

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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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