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]Indicator Lights
These lights turn on or flash to notify the user of the system operation
status or a system
malfunction.
Signal
Indicator Lights
* BSM OFF Indicator Light
* Lane Departure Warning System (LDWS) Indicator Light
KEY Indicator Light
...
Outside Temperature Display
When the ignition is switched ON, the
outside temperature is displayed.
NOTE
Under the following conditions, the
outside temperature display may differ
from the actual outside temperature
depending on the surroundings and vehicle
conditions:
Significantly cold or hot
temperatures.
...
Lane Departure Warning System (LDWS)
The LDWS notifies the driver that the vehicle may be deviating from its
lane.
The system detects the white or yellow lines on the traffic lane using the
Forward Sensing
Camera (FSC). If it determines that the vehicle may be deviating from its lane,
it notifies
the driver by flashing the L ...