| Components |

| 1. Surge tank | 2. VIS actuator |
Removal and Installation 1. Disconnect the battery "-" terminal from the trunk room. 2. Remove the engine cover. (Refer to Engine And Transaxle Assembly - "Engine Cover") 3.
Removal and Installation 1. Disconnect the battery "-" terminal from the trunk room. 2. Remove the engine cover. 3. Remove the engine room cover.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4. Verify that the mode control actuator operates to the vent mode when connected in reverse.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the auto defogging connector. 3. Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.