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Home >> Infiniti >> 2009 >> EX35 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0455 To P2101 >> DTC P0550: PSP Sensor >> Component Inspection
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Component Inspection

  1. CHECK POWER STEERING PRESSURE SENSOR
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Start engine and let it idle.
    4. Check the voltage between ECM harness connector terminals under the following conditions.
      TERMINAL VOLTAGE REFERENCE

      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      F102 87 96 Steering wheel Being turned 0.5 - 4.5
      Not being turned 0.4 - 0.8

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace power steering pressure sensor.

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