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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0550: PSP Sensor >> Component Inspection >> Power Steering Pressure Sensor

Power Steering Pressure Sensor

  1. Reconnect all harness connectors disconnected.
  2. Start engine and let it idle.
  3. Check voltage between ECM terminal 118 and ground under the following conditions.
    Fig 1: Checking Voltage Between ECM Terminals & Ground
    G00796165Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Inspecting Conditions Chart
    G00796164Courtesy of NISSAN MOTOR CO., U.S.A.
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