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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1217: Engine Over Temperature >> Diagnostic Procedure >> 5. Check Ground Connections
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5. Check Ground Connections

  1. Turn ignition switch OFF.
  2. Loosen and retighten two ground screws. Refer to GROUND INSPECTION .
    Fig 1: Identifying Engine Ground Wires
    G00796375Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 6.
  2. NG: Repair or replace ground connections.