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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Pressure Switch
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Power Steering Pressure Switch

Switch is attached to the power steering high pressure line. Switch monitors the power steering load and sends signal to the ECM. When power steering pressure exceeds a predetermined amount, ECM increases idle speed to compensate for extra load on engine.

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