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Home >> Nissan-Datsun >> 2009 >> Murano LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0455 To P1421 >> P0550 PSP Sensor >> Component Inspection
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Component Inspection

  1. CHECK POWER STEERING PRESSURE SENSOR
    1. Reconnect all harness connectors disconnected.
    2. Start engine and let it idle.
    3. Check the voltage between ECM terminals under the following conditions.
      TERMINALS VOLTAGE REFERENCE

      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      F8 41 (Power steering pressure sensor signal) 48 (Sensor ground) Steering wheel: Being turned. 0.5 - 4.5V
      Steering wheel: Not being turned. 0.4 - 0.8V

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace power steering pressure sensor.

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