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Home >> Toyota >> 2019 >> Sienna SE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Control System [2GR-FE] - Diagnostic Codes (3 Of 3) & Circuit Tests) >> SFI System >> Starter Signal Circuit [12/2015 - 08/2016] >> Description

Starter Signal Circuit [12/2015 - 08/2016]: Description

WARNING: This page is about a different car, the 2016 Toyota Sienna. 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 ST2 of the ignition switch to the park/neutral position switch and also flows to terminal STA of the ECM (STA signal).

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