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Home >> Scion >> 2005 >> xA Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> SFI System >> DTC P0550, P0552, P0553: Power Steering Pressure Sensor/Switch Circuit, Power Steering Pressure Sensor Circuit Low Input, Power Steering Pressure Sensor Circuit High Input >> Monitor Description
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Monitor Description

The ECM monitors the sensor voltage and uses this value to regulates the engine idling speed. When the sensor output voltage deviates from the normal operating range, the ECM determines that there is a malfunction in the power steering oil pressure sensor and sets a DTC.

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