FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

General Information





Engine Control
P0662 Intake Manifold Tuning Valve Control Circuit High (Bank 1) - General Information

Component Location





General Description

VIS(Variable intake system) is a device which varies the length of intake manifold to genetate maximum power at certain RPM. VIS lengthens intake manifold to improve the torque at low RPM when vehicle speed is low while it shortens intake manifold to raise torque at high RPM when vehicle speed is high. ECU controlls VIS using RPM signal.

DTC Description

If there is Short to power in VIS circuit, ECM sets DTC P0662.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram