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

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. PCU controls VIS using RPM signal.

DTC Description

PCM sets P0661 when detects electrical error in circuit. (Short to ground/Open circuit)

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram