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Home >> Lexus >> 2005 >> IS 300 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine - Diagnostics >> DTC P0550, P0552, P0553: Power Steering Pressure Sensor/Switch Circuit, Power Steering Pressure Sensor/Switch Circuit Low/High Input >> Circuit Description

Circuit Description

The power steering oil pressure sensor is turned ON when a power steering wheel load occurs by turning the steering wheel. The ECM regulates the engine idling speed according to the voltage output of the sensor.

Fig 1: DTC P0550, P0552, P0553 Trouble Detection Table
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