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Home >> Infiniti >> 2004 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1203 (Engine Control System) >> DTC P0453: EVAP Control System Pressure Sensor >> Diagnostic Trouble Codes Confirmation Procedure >> With GST
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WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  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 "DIAGNOSTIC PROCEDURE "

    Fig 1: Checking Voltage Between ECM Terminal 107 & Ground
    G02388928Courtesy of NISSAN MOTOR CO., U.S.A.