General Information

Engine Control
P2229 Barometric Pressure Circuit High Input - General Information

Component Location





General Description

Barometric sensor is installed in ECM and senses atmospheric pressure where the vehicle is.
Based on singal of barometric sensor, air density is calculated. And barometric sensor is used to detect mass air flow with MAFS, IATS.
This sensor is required to perform fuel injection quantity correction in variable altitude.

DTC Description

If the output of ambient pressure sensor is over 4.8 V, PCU sets DTC P2229.

DTC Detecting Condition