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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Engine Control System - DTCS P0447 Through P1212) >> DTC P0550: PSP Sensor >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2011 Infiniti EX35. 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 under the following conditions.
    VOLTAGE SPECIFICATION

    ECM Condition Voltage (V)
    Connector + -
    Terminal Terminal
    F102 87 96 Steering wheel Being turned 0.5 - 4.5
    Not being turned 0.4 - 0.8

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace power steering pressure sensor.