Variable Intake Solenoid (VIS) Valve

VARIABLE INTAKE SOLENOID (VIS) VALVE

INSPECTION

FUNCTION AND OPERATION PRINCIPLE










Variable Intake manifold Solenoid (VIS) valves are installed on surge tank (VIS Valve #1. and intake manifold (VIS Valve 412). These VIS valve #I and #2 control vacuum modulators which activate valves in surge tank and intake manifold. The PCM opens or closes these valves according to engine condition.

SPECIFICATION
Item Specification
Coil Resistance (ohms) 29.0 - 35.0 ohms at 20 °C(68 °F)

Circuit Diagram:

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.
4. Check that the resistance is within the specification.

Specification: Refer to SPECIFICATION.