Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.

If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
Compression Inspection [Mzr 2.0, Mzr 2.5]Boost Air Temperature Sensor Inspection [Mzr 2.3 Disi Turbo]
Resistance Inspection
NOTE:
Because the boost air temperature sensor is integrated in the MAP sensor,
replacing the boost air temperature sensor includes replacement of the MAP sensor/boost
air temperature sensor.
1. Remove the battery cover..
2. Disconnect the negative batter ...
Front Bumper Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the screw A and fasteners B.
3. Remove the screws C.
4. Remove the bolts D.
5. Remove the fasteners E, screw F and fastener G.
6. Pull the front bumper in the direction of the arrow in the order of (1), (2)
and (3), the ...
Cooling (With air conditioner)
Set the mode selector dial to the
position.
Set the temperature control dial to the
cold position.
Set the fan control dial to the desired
speed.
Turn on the air conditioner by pressing
the A/C switch.
After cooling begins, adjust the fan
control dial and temperature control
...