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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> 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 92 (Fuel tank temperature sensor signal) and ground is less than 4.2V. See Figure.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Wait at least 10 seconds.
  5. Select "MODE 7" with GST.

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

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