General Information

Engine Control
P0552 Power Steering Pressure Sensor/Switch Circuit Low input - General Information

Component Location





General Description

To reduce the required power to manipulate steering wheel, hydraulic pressure is used in power steering system. A load is sensed at steering oil pressure sensor then inputted to PCM as a wheel position signal. Controlling idle speed valve, PCM performs appropriate electric load correction With this signal.

DTC Description

PCM sets DTC P0552 if the PCM detects signal lower than the possible range of a properly operating sensor.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data




INTERVAL 1 : The signal at the Power Steering halt
INTERVAL 2 : The normal perfomance signal including Most of the range
INTERVAL 3 : The signal at the maximum steering angle.