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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1437 (Engine Control System) >> DTC P0550: PSP Sensor >> Component Inspection >> Power Steering Pressure Sensor
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Power Steering Pressure Sensor

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    VOLTAGE CONDITION

    Condition Voltage
    Steering wheel: Being turned. 0.5 - 4.5V
    Steering wheel: Not being turned. 0.4 - 0.8V
    Fig 1: ECM Connector Terminal 12 & Ground Voltage Test
    G02401747Courtesy of NISSAN MOTOR CO., U.S.A.