DTC P2226 P2227 P2228 P2229 2AD-FHV

DTC P2226 Barometric Pressure Circuit

DTC P2227 Barometric Pressure Circuit Range / Performance

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.
Toyota fault code list

Toyota fault code list DTC P2226  P2227 P2228 P2229

DTC No. DTC Detection Condition Trouble Area
P2226
P2227
P2228
P2229
Atmospheric pressure sensor malfunction
(1 trip detection logic)
ECM

Inspection procedure

NOTICE:

After replacing the ECM, the new ECM needs registration and initialization.

1.REPLACE ECM

 

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