Dtc P2226 Barometric Pressure Circuit

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Engine Control System. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

REPLACE ECM

DTC P2226 Barometric Pressure Circuit

DTC P2228 Barometric Pressure Circuit Low Input

DTC P2229 Barometric Pressure Circuit High Input


DESCRIPTION

To detect atmospheric pressure, the built-in atmospheric pressure sensor in the ECM is used for the common rail system. Following the changes in the atmospheric pressure, the ECM corrects the fuel injection volume, timing and duration, and adjusts the common rail internal fuel pressure in order to optimize engine combustion.

DTC No.
DTC Detection Condition
Trouble Area
P2226
P2228
P2229
Atmospheric pressure sensor malfunction
(1 trip detection logic)
ECM

INSPECTION PROCEDURE

NOTICE:
After replacing the ECM, the new ECM needs registration (Click here) and initialization (Click here).
1.REPLACE ECM

NEXT

END