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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1168 >> DTC P0452: EVAP Control System Pressure Sensor >> DIAGNOSTIC TROUBLE CODES 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 "DIAGNOSTIC PROCEDURE "

Fig 1: Checking Voltage Between ECM Terminal 107
G02369496Courtesy of NISSAN MOTOR CO., U.S.A.
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