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Home › Infiniti › 2004 › M45 › Repair and Diagnosis › Engine Performance › Engine Control System › DTC P1102: MAF Sensor › Diagnostic Procedure › 1. Check Ground Connections

1. Check Ground Connections

  1. Turn ignition switch OFF.
  2. Loosen and retighten two ground screws.
  3. Refer to GROUND INSPECTION .
    Fig 1: Identifying Engine Ground Wires
    G00796193Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

  1. OK: GO TO 2.
  2. NG: Repair or replace ground connections.
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