Turn the ignition switch OFF.
Disconnect the IATS connector.
Measure resistance between the IATS terminals 3 and 4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Disconnect the barometric pressure sensor connector (A).
Remove the installation bolt (B), and then remove the sensor from the air cleaner assembly.