3.
Remove the air intake hose (C) from the mass air flow sensor.
Turn ignition switch OFF.
Disconnect the MAFS (for IATS #1) or BPS (for IATS #2) connector.
Measure resistance between IATS signal terminal and sensor ground terminal.
Check that the resistance is within the specification.
Specification: Refer to Specification section.
Turn the ignition switch OFF and disconnect the battery (-) cable.
Disconnect the mass air flow sensor connector (A) and the installation clamp (B).
Remove the air intake hose (C) from the mass air flow sensor.
Remove the mass air flow sensor after removing the installation bolts.
Turn the ignition switch OFF and disconnect the battery (-) cable.
Remove the air duct (A).
Disconnect the boost pressure sensor connector (A).
Removal the boost pressure sensor (B) after removing the installation bolts.
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Be careful not to damage the sensing element and the honey cell.
Installation is reverse of removal.
IATS #1 installation bolt:
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)
IATS #1 clamp installation screw:
2.9 ~ 4.9 N.m (0.3 ~ 0.5 kgf.m, 2.2 ~ 3.6 lb-ft)
IATS #2 installation bolt:
6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)
After replacing the Intake Air Temperature Sensor (IATS) #1, MUST perform the "Component Change Routine" procedure. Otherwise trouble related with engine performance or emission control may occur until ECM learning about the component is over.
Turn ignition switch OFF.
Connect a GDS to Data Link Connector (DLC).
Turn ignition switch ON.
Select "Vehicle, Model year, Engine, System".
Select "Vehicle S/W Management".
Select "Component Change Routine".
Select "Air Flow Sensor Change".
Perform the procedure in accordance with the message.
