ECD SYSTEM, Diagnostic DTC:P2227

DTC Code DTC Name
P2227 Barometric Pressure Circuit Range / Performance

DESCRIPTION

The atmospheric pressure sensor, built in the ECM, detects the atmospheric pressure.

According to the value of the atmospheric pressure, the ECM corrects the injection timing, the injection volume and the amount of common rail internal fuel pressure for an optimum combustion.

DTC No. DTC Detection Condition Trouble Area
P2227 Atmospheric pressure sensor malfunction (The MIL is illuminated as well as a DTC being set immediately malfunction is detected) ECM

Tech Tips

DTC P2227 is set when the ignition switch is in the ON position.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK OTHER DTC OUTPUT


    1. Replace the normal DLC3 cable (12 V specification) for the intelligent tester with the 24 V DLC3 cable.

      Note

      Be sure to use the 24 V DLC3 cable when connecting the intelligent tester to the DLC3. Using the normal DLC3 cable (12 V specification) will cause damage to the tester.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the ignition switch to the ON position.

    4. Turn the tester on.

    5. Enter the following menu items: Powertrain / Engine and ECT / DTC.

    6. Read the DTCs.

      Result
      Display (DTC output) Proceed to
      P2227 A
      P2227 and other DTC B

      Tech Tips

      If any DTCs other than P2227 are output, troubleshoot those DTCs first.


    B

    GO TO DTC CHART

    A

    REPLACE ECM