Other information:
The following maintenance services must be performed to ensure good emission
control and performance. Keep receipts for all vehicle emission services to protect
your warranty. Where both mileage and time are shown, the frequency of service is
determined by whichever occurs first.
I : Inspec ...
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). ...