Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2007ESCAPE BASE, 2.3 Z, FWD, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 14 (ENGINE CONTROLS - DESCRIPTION & OPERATION (EXCEPT DIESEL & HYBRID))POWERTRAIN CONTROL MODULE (PCM) INPUTSPOWER TAKE-OFF (PTO) SWITCH AND CIRCUITSSTARTER MOTOR REQUEST (SMR) CIRCUIT
2007 Ford Escape Base, 2.3 Z, FWD, Automatic
Starter Motor Request (SMR) Circuit
2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION Starter Motor Request (SMR) Circuit
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
The SMR circuit provides the PCM with a signal from the ignition switch to the PCM. The input is pulled high when the key is in START position and the transmission range sensor ignition lockout circuit allows the starter to engage.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.