| Circuit Diagram |



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.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the VIS valve connector. 3.
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the steering column upper and lower shrouds.
Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative (-) battery terminal.