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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

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  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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