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Home >> Toyota >> 2016 >> Corolla S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (SFI System (2ZR-FAE) - Diagnostics - Circuit Tests (Model Code: ZRE172)) >> SFI System >> Circuit Tests >> Starter Signal Circuit [08/2016 - ] >> Description

Starter Signal Circuit [08/2016 - ]: Description

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While the engine is being cranked, current flows from terminal ST2 of the ignition switch assembly*1 or terminal STAR of the certification ECU (smart key ECU assembly)*2 to the park/neutral position switch assembly*3 or clutch pedal switch assembly*4 and to terminal STA of the ECM (STA signal).