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Home >> Infiniti >> 2006 >> G35 x >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Control System) >> DTC P1217: Engine Over Temperature >> Diagnostic Procedure >> 6. Check Cooling Fan Speed Control Solenoid Valve Circuit

6. Check Cooling Fan Speed Control Solenoid Valve Circuit

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. Disconnect ECM harness connector.
  3. Check harness continuity between ECM terminal 28 and ground. Refer to WIRING DIAGRAM .

    Continuity should not exist. 

OK or NG 

  1. OK: GO TO 7.
  2. NG: Repair short to ground in harness or connectors.
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