Other information:
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold.
The VIS valve controls the vacuum modulator which activates a valve in the intake
manifold. The ECM opens or closes this valve according to engine condition (Refer
to below table). ...
■ Type A
■ Type B
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate).
Press the button again to turn the air conditioning system off.
WARNING - Reduced Visibility
Continuous use of the climate control system in the recirculated air position
...