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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 P1220: Fuel Pump Control Module (FPCM) › Diagnostic Procedure › 4. Check FPCM Ground Circuit-I For Open And Short

4. Check FPCM Ground Circuit-I 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. Turn ignition switch OFF.
  2. Check harness continuity between FPCM terminal 3 and ground. Refer to WIRING DIAGRAM .

    Continuity should exist. 

  3. Also check harness for short to power.

OK or NG 

  1. OK: GO TO 5.
  2. NG: Repair open circuit or short to power in harness or connectors.
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