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Home › Nissan-Datsun › 2007 › Pathfinder S, RWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0455 To P1421 › DTC P1217 Engine Over Temperature › Diagnostic Procedure › Procedure A

Procedure A

  1. CHECK IPDM E/R 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: Checking Voltage Between IPDM E/R Terminal 22 And Ground
      G04897202Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO  3.

    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

    Repair open circuit or short to ground in harness or connectors.

  3. CHECK IPDM E/R GROUND CIRCUIT 
    1. Disconnect IPDM E/R harness connectors E122, E124.
    2. Check harness continuity between IPDM E/R terminals 38, 59 and ground.

      Refer to Wiring Diagram .

      Continuity should exist. 

    3. Also check harness for short to power.

    OK or NG 

    OK: GO TO 4.

    NG: Repair open circuit or short to power in harness or connectors.

  4. CHECK COOLING FAN MOTOR CIRCUIT FOR OPEN AND SHORT 
    1. Disconnect cooling fan motor harness connector.
      2. Fig 2: Identifying Cooling Fan Motor Harness Connector
      G04897203Courtesy of NISSAN NORTH AMERICA, INC.
    2. 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. 

    3. Also check harness for short to ground and short to power.

    OK or NG 

    OK: GO TO 5.

    NG: Repair open circuit or short to ground or short to power in harness or connectors.

  5. CHECK COOLING FAN MOTER 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 

    OK: GO TO 6.

    NG: Repair open circuit or short to power in harness or connectors.

  6. CHECK COOLING FAN MOTOR 

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    OK: GO TO 7.

    NG: Replace cooling fan motor.

  7. CHECK INTERMITTENT INCIDENT 

    Perform "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    OK or NG 

    OK: Replace IPDM E/R. Refer to "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) ".

    NG: Repair or replace harness or connector.

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