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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 318 (Engine Control System (DTC/Circuit Diagnosis) (4.0L) (3 Of 4)) >> DTC/Circuit Diagnosis >> DTC P0550: PSP Sensor >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  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 as per the following conditions.
      GNSJPBIA5394Z-394Courtesy of NISSAN NORTH AMERICA, INC.

      ECM

      Condition

      Voltage

      (Approx.)

      Connector

      +

      -

      Terminal

      F77

      65

      72

      Steering wheel

      Being turned

      0.5 - 4.5 V

      Not being turned

      0.4 - 0.8 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace power steering pressure sensor. Refer to Component Parts Location .