BAROMETRIC PRESSURE (BARO) SENSOR CONSTRUCTION/OPERATION [LF]


B3E014018210T04

• The BARO sensor is installed on the air cleaner.

1
Air cleaner
2
MAF/IAT sensor
3
BARO sensor

• The piezoelectric element is enclosed in the sensor and the electric potential difference changes as the BARO drops. The output voltage decreases as the BARO decreases.

1
BARO sensor
2
PCM
3
CPU
4
BARO sensor voltage characteristic
5
Output voltage
6
Barometric pressure
7
High