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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2268 (Engine Control System - DTCS P0550 To P1229) >> DTC P1217: Engine Over Temperature >> Diagnostic Procedure >> Procedure A

Procedure A

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COOLING FAN POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R harness connectors E120.
    3. Check voltage between IPDM E/R terminal 22 and ground with CONSULT-II or tester.

      Voltage: Battery voltage 

      Fig 1: Applying Pressure To Cooling System With Tester
      G03607163Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  3.
    2. NG: GO TO 2.
  2. DETECT MALFUNCTIONING PART 

    Check the following.

    • 40A fusible link
    • Harness for open or short between IPDM E/R and battery
    1. >> Repair open circuit or short to ground in harness or connectors.
  3. CHECK COOLING FAN MOTOR CIRCUIT FOR OPEN AND SHORT 
    1. Disconnect IPDM E/R harness connectors E120, E124.
    2. Disconnect cooling fan motor harness connector.
    3. Check harness continuity between the following;

      cooling fan motor terminal 1 and IPDM E/R terminal 20, cooling fan motor terminal 2 and IPDM E/R terminal 24.

      Refer to WIRING DIAGRAM .

      Continuity should exist  .

      Fig 2: Checking Radiator Cap With Tester
      G03607164Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Also check harness for short to ground and short to power.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK COOLING FAN MOTOR GROUND CIRCUIT FOR OPEN OR SHORT 
    1. Check harness continuity between the following;

      cooling fan motor terminal 3 and ground, cooling fan motor terminal 4 and ground.

      Refer to WIRING DIAGRAM .

      Continuity should exist  .

    2. Also check harness for short to power.

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Repair open circuit or short to power in harness or connectors.
  5. CHECK COOLING FAN MOTOR 

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Replace cooling fan motors.
  6. 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 or connector.
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