Special Service Tools
SpecificationsHyundai Tucson (LM) 2010-2015 Service Manual: Variable Intake Solenoid (VIS) Valve Description and Operation
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).
Engine condi ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Purge Control Solenoid Valve (PCSV) Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the surge
tank and controls the passage between the canister and the intake
manifold. It is a solenoid valve and is open when the ECM grounds the
valve control line. When the passage is open (PCSV ON), fuel vapor
stored in th ...