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Home >> Suzuki >> 2001 >> Swift GA, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Pressure (PSP) Switch
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Power Steering Pressure (PSP) Switch

ECM/PCM applies and monitors reference voltage to PSP switch. When steering wheel is turned, pressure switch closes, pulling reference voltage low. ECM/PCM uses this signal to help determine control of idle speed control system.

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