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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0550: PSP Sensor >> Component Inspection >> Power Steering Pressure Sensor
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Power Steering Pressure Sensor

  1. Reconnect all harness connectors disconnected.
  2. Start engine and let it idle.
  3. Check voltage between ECM terminal 89 and ground under the following conditions.
    Fig 1: Checking Voltage Between ECM Terminal 89 And Ground
    G00787002Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Displaying Terminal Condition And Voltage
    G00787001Courtesy of NISSAN MOTOR CO., U.S.A.