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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R Spec V >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 405 (Engine Control System - DTC) >> DTC P0102, P0103: MAF Sensor >> Diagnostic Procedure >> 6. Check MAF Sensor Ground Circuit For Open And Short
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6. Check MAF Sensor Ground Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Disconnect TCM harness connector.
  4. Check harness continuity between MAF sensor terminal 4 and ECM terminal 67, TCM terminal 42.

    Refer to WIRING DIAGRAM.

    1. Continuity should exist. 
  5. Also check harness for short to ground or short to power.

OK or NG 

  1. OK: GO TO 8 .
  2. NG: GO TO 7.
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