Optima V6-2.7L VIN 4 (2007)
Variable Induction Control Actuator: Testing and Inspection
INSPECTION
Variable Intake manifold Solenoid (VIS) valves are installed on surge tank (VIS Valve #1) and intake manifold (VIS Valve #2). These VIS valve #1 and
#2 control vacuum modulators which activate valves in surge tank and intake manifold. These valves are opened or closed by PCM according to engine
condition (Refer to below table).
SPECIFICATION
CIRCUIT DIAGRAM
COMPONENT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect VIS Valve connector.
3. Measure resistance between VIS Valve #1,2 terminals 1 and 2.
