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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 215 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (2 Of 6)) >> DTC/Circuit Diagnosis >> DTC P026A-00: Charge Air Cooler Efficiency Below Normal >> 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 DTC PRIORITY 
    1. Turn ignition switch ON.
    2. Connect CONSULT and check for ENGINE diagnostic trouble codes.
    3. Are any of the following displayed as current on the CONSULT screen:
      • P007B-00
      • P007C-00
      • P007D-00

    Is applicable DTC detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR 
    1. Turn ignition switch ON.
    2. Connect CONSULT and select "Data Monitor" mode.
    3. Select "CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR" and check the indication.
    4. Compare charge air cooler outlet temperature sensor reading to a mechanical gauge or a known value.

      Monitor item

      Condition

      Indication

      CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR

      Ignition switch ON (Engine stopped.)

      Varies

    Is the inspection result normal?

    YES

    Refer to Intermittent Incident .

    NO

    Replace engine charge air cooler outlet pressure/temperature sensor. Refer to Removal and Installation .