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]Mass Air Flow (MAF) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the MAF/IAT sensor connector.
4. Remove the MAF/IAT sensor..
5. Visually inspect the MAF/IAT sensor for the following:
Damage, cracks, soiling
Rusted sensor terminal
...
Automatic Transaxle Fluid (ATF) Inspection [Fw6 A EL]
CAUTION:
If the ATF level is not within the specification or ATF is not adhering to
the dipstick after warming up the engine, do not drive the vehicle. Otherwise,
the transaxle could be damaged.
ATF Level Inspection
1. Remove aerodynamic undercover No.2..
2. Remove the dipstic ...
Sirius Satellite Radio Antenna Feeder Inspection
SIRIUS Satellite Radio Antenna Feeder No.1
NOTE:
SIRIUS satellite radio antenna feeder No.1 is integrated with the dashboard
wiring harness.
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Passenger-side front scuff plate.
b. Passenger-side front ...