Air Selection Switch

The air selection switch allows you to control the flow of air through the face outlets, the floor outlets, the defrost (windshield) outlets, or a combination of these outlets to give you nine air selection modes on a system without air conditioning. See Fig.. A system with air conditioning has 11 air selection modes, four of which are air conditioning modes. See Fig..

Face Mode

Selection Between Face Mode and Bi-Level Mode

Bi-Level Mode

Selection Between Bi-Level Mode and Floor Mode

Floor Mode

Selection Between Floor Mode and Floor/Defrost Mode

Floor/Defrost Mode

Selection Between Floor/Defrost Mode and Defrost Mode

Defrost Mode

Fig. 1, Air Selection Switch Without Air Conditioning

Air Conditioning Modes

Air Conditioning Face Mode

Selection Between Air Conditioning Face Mode and Air Conditioning Bi-Level Mode

Air Conditioning Bi-Level Mode

Selection Between Air Conditioning Bi-Level Mode and Face Mode

Face Mode

Selection Between Face Mode and Floor Mode

Floor Mode

Selection between Floor Mode and Floor/Defrost Mode

Floor/Defrost Mode

Selection between Floor/Defrost Mode and Defrost Mode

Defrost Mode

Fig. 2, Air Selection Switch With Air Conditioning

Air Selection Switch Without Air Conditioning

1. Face Mode: Directs all airflow through the face or instrument panel outlets.

2. Selection between Face Mode and Bi-Level Mode: Directs 75 percent of the airflow through the face outlets and 25 percent through the floor outlets.

3. Bi-Level Mode: Directs the airflow equally to the face outlets and the floor outlets.

4. Selection between Bi-Level Mode and Floor Mode: Directs 25 percent of the airflow through the face outlets and 75 percent through the floor outlets.

5. Floor Mode: Directs all airflow through the floor outlets.

6. Selection between Floor Mode and Floor/Defrost Mode: Directs 75 percent of the airflow through the floor outlets and 25 percent through the defrost outlets.

7. Floor/Defrost Mode: Directs the airflow equally to the floor outlets and the defrost outlets.

8. Selection between Floor/Defrost Mode and Defrost Mode: Directs 75 percent of the airflow through the defrost outlets and 25 percent through the floor outlets.

9. Defrost Mode: Directs all airflow through the defrost outlets.

Air Selection Switch With Air Conditioning

1. Air Conditioning Face Mode: Directs all airflow through the face or instrument panel outlets.

2. Selection between the Air Conditioning Face Mode and the Air Conditioning Bi-Level Mode: Directs 75 percent of the airflow to the face outlets and 25 percent to the floor outlets.

3. Air Conditioning Bi-Level Mode: Directs the airflow equally to the face outlets and the floor outlets.

4. Selection between the Air Conditioning Bi-Level Mode and the Face Mode: Directs 25 percent of the airflow to the face outlets and 75 percent to the floor outlets.

5. Face Mode: Directs all airflow through the face outlets.

6. Selection between Face Mode and Floor Mode: Directs the airflow equally through the face outlets and the floor outlets.

7. Floor Mode: Directs all airflow through the floor outlets.

8. Selection between Floor Mode and Floor/Defrost Mode: Directs 75 percent of the airflow through the floor outlets and 25 percent through the defrost outlets.

9. Floor/Defrost Mode: Directs the airflow equally to the floor outlets and the defrost outlets. The recirculation button will not work in this mode.

10. Selection between Floor/Defrost Mode and Defrost Mode: Directs 75 percent of the airflow through the defrost outlets and 25 percent through the floor outlets. The recirculation button will not work in this mode.

11. Defrost Mode: Directs all airflow through the defrost outlets. The recirculation button will not work in this mode.