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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (Engine Control System (DTCS) (5.6L) (7 Of 8)) >> DTC/Circuit Diagnosis >> P1217 Engine Over Temperature >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC PRIORITY 
    • If DTC P1217 is displayed with DTC UXXXX first perform the trouble diagnosis for DTC UXXXX.
    • If DTC P1217 is displayed with DTC P0607 first perform the trouble diagnosis for DTC P0607.
    • If DTC P1217 is displayed with DTC P0527 first perform the trouble diagnosis for DTC P0527.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK COOLING FAN OPERATION 

    SYMBOL WITH CONSULT

    1. Start the engine.
    2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode with CONSULT.
    3. Check that cooling fan speed varies according to the percentage.
      NOTE: Speed changes gradually as the percentage changes.

    SYMBOL WITHOUT CONSULT

    1. Start the engine.
    2. Perform IPDM E/R auto active test and check cooling fan operation, refer to Diagnosis Description .
    3. Check that cooling fan speed increase.
      NOTE: Speed changes gradually when performing the auto active test.

    Is the inspection result normal?

    YES

    GO TO 3 .

    NO

    Proceed to Diagnosis Procedure .

  3. CHECK ENGINE COOLANT LEAKAGE-I 

    Check cooling system for leakage. Refer to System Inspection .

    Is leakage detected?

    YES

    GO TO 4 .

    NO

    GO TO 5 .

  4. CHECK ENGINE COOLANT LEAKAGE-II 

    Check the following for leakage.

    • Hose
    • Radiator
    • Water pump

    Repair or replace malfunctioning part.

  5. CHECK RESERVOIR TANK CAP 

    Check reservoir tank cap. Refer to System Inspection .

    Is the inspection result normal?

    YES

    GO TO 6 .

    NO

    Replace reservoir tank cap.

  6. CHECK MULTI-WAY CONTROL VALVE 

    Check multi-way control valve. Refer to Component Inspection (Multi-way Control Valve) .

    Is the inspection result normal?

    YES

    GO TO 7 .

    NO

    Replace multi-way control valve. Refer to Removal and Installation .

  7. CHECK ENGINE COOLANT TEMPERATURE SENSOR 1 

    Refer to Component Inspection (Engine Coolant Temperature Sensor 1) .

    Is the inspection result normal?

    YES

    GO TO 8 .

    NO

    Replace engine coolant temperature sensor 1. Refer to Exploded View .

  8. CHECK MAIN 12 CAUSES 

    If the cause cannot be isolated, check the Troubleshooting Chart .

    INSPECTION END

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