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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 208 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2413-00: EGR System >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR CURRENT DTC 
    1. Turn ignition switch ON.
    2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
    3. Check for other current DTCs on the CONSULT screen.

    Are there any other current DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK THE EGR TEMPERATURE SENSOR ACCURACY 
    1. Turn ignition switch OFF.
    2. Remove the EGR temperature sensor from the EGR plumbing.
    3. Turn ignition switch ON.
    4. Using CONSULT, select "ENGINE" and check "Data Monitor" of "EGR ORIFICE TEMP".
    5. Compare the EGR temperature sensor reading to ambient air temperature.
    NOTE: Allow the EGR temperature sensor enough time to cool down to ambient temperature before comparing the reading.

    Is EGR temperature within 10°C (18°F) of ambient air temperature?

    YES

    GO TO 3 .

    NO

    • Malfunctioning EGR temperature sensor has been detected. Replace the EGR temperature sensor. Refer to Removal and Installation .
    • GO TO 6 .
  3. CHECK THE ENGINE COOLANT MIXTURE 
    1. Turn ignition switch OFF.
    2. Check the engine coolant mixture.
    3. Check the freeze point of the engine coolant to be sure of a proper mixture.
    NOTE: Incorrect coolant mixture will cause high EGR temperatures due to inefficient cooling.

    Engine coolant is proper mixture?

    YES

    GO TO 4 .

    NO

    • Drain the coolant and fill the cooling system with the proper mixture. Refer to Changing Engine Coolant .
    • GO TO 6 .
  4. CHECK THE ENGINE COOLANT LEVEL 

    Check for proper engine coolant level.

    NOTE: Low engine coolant level can cause erratic coolant flow through the engine and EGR cooler, in turn, causing the EGR temperatures to rise.

    Is engine coolant level at proper level?

    YES

    GO TO 5 .

    NO

  5. CHECK THE EGR COOLER FOR LEAKS OR FOULING 
    1. Remove the EGR cooler.
    2. Inspect and pressure test the EGR cooler.

    Is EGR cooler pressure check within specification?

    YES

    • Clean the EGR cooler.
    • GO TO 6 .

    NO

  6. ERASE CURRENT DTC 
    1. Connect all harness components and connectors.
    2. Turn ignition switch ON.
    3. Using CONSULT, erase "ENGINE" diagnostic trouble codes.
    4. Operate the engine within the "Conditions for setting the DTC".
    5. Using CONSULT, check for "ENGINE" diagnostic trouble codes.

    Is P2413-00 DTC current?

    YES

    Return to Diagnosis Procedure. Refer to DTC Description .

    NO

    Repair complete.

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