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Home › Infiniti › 2005 › QX56 RWD › 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 12 and ground under the following conditions.
    VOLTAGE CONDITION SPECIFICATION

    Condition Voltage
    Steering wheel: Being turned. 0.5 - 4.5V
    Steering wheel: Not being turned. 0.4 - 0.8V
    Fig 1: Checking Voltage Between ECM Terminal 12 & Ground
    G02388987Courtesy of NISSAN MOTOR CO., U.S.A.
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