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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Description & Operation (Except Diesel & Hybrid)) >> Powertrain Control Hardware >> Power and Ground Signals >> Starter Motor Request (SMR) Circuit

Starter Motor Request (SMR) Circuit

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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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