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Home >> Ford >> 2024 >> Bronco Big Bend, 2D Utility, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 2.3L ECOBOOST (199KW 270PS) -- Bronco >> Description And Operation >> Electronic Engine Controls - System Operation and Component Description >> Power and Ground Signals >> Starter Motor Request (SMR) Circuit
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Starter Motor Request (SMR) Circuit

The SMR circuit provides the PCM with a signal from the ignition switch to the PCM. The input is pulled high when the ignition is in the START position and the transmission range (TR) sensor ignition lockout circuit allows the starter to engage.

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