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Home >> Infiniti >> 2008 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0327 To P1145 >> DTC P0453: EVAP Control System Pressure Sensor >> DTC Confirmation Procedure >> With GST
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With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Check that voltage between ECM terminal 107 (Fuel tank temperature sensor signal) and ground is less than 4.2V.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Start engine and wait at least 20 seconds.
  5. Select Service $07 with GST.

    If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".

    Fig 1: Checking Voltage Between ECM Terminal 107 And Ground
    G05739549Courtesy of NISSAN MOTOR CO., U.S.A.
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