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Home >> Infiniti >> 2005 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System - VK45DE >> DTC P1217: Engine Over Temperature >> Diagnostic Procedure >> Procedure B
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Procedure B

  1. CHECK COOLING FAN MOTOR CIRCUIT FOR OPEN OR SHORT 
    1. Disconnect IPDM E/R harness connector E6.
    2. Disconnect cooling fan motor harness connector.
    3. Check harness continuity between cooling fan motor terminal 1 and IPDM E/R terminal 11.

      Refer to WIRING DIAGRAM  .

      1. Continuity should exist. 
    4. Also check harness for short to ground and short to power.

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair open circuit or short to ground or short to power in harness or connectors.
    Fig 1: Disconnecting Cooling Fan Motor Harness Connector
    G02362051Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK COOLING FAN MOTOR 

    Refer to "COMPONENT INSPECTION  ".

    OK or NG

    1. OK: GO TO 3.
    2. NG: Replace cooling fan motor.
  3. CHECK INTERMITTENT INCIDENT 

    Perform "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  ".

    OK or NG

    1. OK: Replace IPDM E/R. Refer to "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) ".
    2. NG: Repair or replace harness connectors.