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Home >> Infiniti >> 2004 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> 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 12 and ground under the following conditions.
    Fig 1: Testing Steering Pressure Sensor Output Voltage
    G00727495Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Power Steering Pressure Sensor Specifications
    G00727494Courtesy of NISSAN MOTOR CO., U.S.A.