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Home >> Infiniti >> 2005 >> G35 Base, 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Coupe >> 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.
    ECM TERMINAL 12 AND GROUND VOLTAGE CONDITION CHECK

    Condition Voltage
    Steering wheel: Being turned. 0.5 - 4.5V
    Steering wheel: Not being turned. 0.4 - 0.8V
    Fig 1: Checking POWER STEERING PRESSURE Sensor Voltage (DTC P0550)
    G02333754Courtesy of NISSAN MOTOR CO., U.S.A.
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