Other information:
Replacement
1.
Disconnect the battery negative cable from the battery and then wait
for at least 30 seconds.
2.
Turn the steering wheel so that the front wheels can face straight ahead.
3.
...
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). ...