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Home >> Infiniti >> 2010 >> M35 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1212 >> 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.
      Fig 1: Checking Voltage Between ECM Harness Connector Terminals
      G06306694Courtesy of NISSAN MOTOR CO., U.S.A.
      CONNECTOR TERMINAL VOLTAGE CHART

      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      F106 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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