Suzuki 2006 SX4 Service Manual page 854

7A-2 Heater and Ventilation:
A: Air flow
B: Water flow
1. HVAC unit
2. Ventilator duct
3. Defroster duct and demister duct
4. Heater core
5. Side ventilation air
6. Foot air
7. Defroster air
8. Demister air
9. Fresh air
10. Recirculation air
11. Center ventilation air
12. Air intake door
13. Blower motor
14. Resistance board (non-A/C) or evaporator (A/C)
I6RW0C710011-01
15. Rear duct (if equipped)
16. Foot duct
17. Engine
18. Radiator
19. Reservoir
20. Temperature control door
21. Air flow control door