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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0507 (Qr25DE) >> DTC P0452: EVAP Control System Pressure Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: 

Always perform test at a temperature of 5°C (41°F) or more  .

WITH CONSULT

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON.
  4. Select "DATA MONITOR" mode with CONSULT.
  5. Check that "FUEL T/TMP SE" is more than 0°C (32°F).
  6. Start engine and wait at least 20 seconds.
  7. Check 1st trip DTC.
  8. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".

WITH GST

  1. Start engine and warm it up to normal operating temperature.
  2. Check that voltage between ECM terminal 95 (Fuel tank temperature sensor signal) and ground is less than 4.2 V.
  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.
  6. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
Fig 1: Checking Voltage Between ECM Terminal 95 And Ground
G04926085Courtesy of NISSAN NORTH AMERICA, INC.