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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 394 (Engine Control System) >> DTC P0452: EVAP Control System Pressure Sensor >> Diagnostic Procedure >> 9. Check EVAP Control System Pressure Sensor Shield Circuit For Open And Short
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9. Check EVAP Control System Pressure Sensor Shield Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect harness connectors B401, B251.
  2. Check the following continuity between harness connector B251 terminal 5 and ground.

    Refer to WIRING DIAGRAM .

    Continuity should exist. 

  3. Also check harness for short to power.
  4. Then reconnect harness connectors B401, B251.

OK or NG 

  1. OK: GO TO 11. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR .
  2. NG: GO TO 10.
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