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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (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 Quest. 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.
    Fig 1: Checking Voltage Between ECM Terminal 12 & Ground
    G02474216Courtesy of NISSAN MOTOR CO., U.S.A.
    VOLTAGE CONDITION TABLE

    Condition Voltage
    Steering wheel is being turned. 0.5 - 4.5V
    Steering wheel is not being turned. 0.4 - 0.8V