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Home >> Isuzu >> 1999 >> Trooper Part Time >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Pressure Switch (PSPS)

Power Steering Pressure Switch (PSPS)

When power steering pressure is high, PSPS sends a signal to PCM to increase idle speed. PCM will also turn off A/C clutch when high P/S pressure is detected.