Subaru Legacy 2004 Service Manual page 3363

HVAC SYSTEM
(HEATER, VENTILATOR AND A/C)
1. General Description ....................................................................................2
2. Refrigerant Pressure with Manifold Gauge Set.........................................19
3. Refrigerant Recovery Procedure...............................................................20
4. Refrigerant Charging Procedure ...............................................................21
5. Refrigerant Leak Check ............................................................................24
6. Compressor Oil .........................................................................................25
7. Blower Motor Unit Assembly .....................................................................26
8. Blower Motor .............................................................................................27
9. Power Transistor (Auto A/C Model) ..........................................................28
10. Blower Resistor (Manual A/C Model) ........................................................29
11. Heater Core...............................................................................................30
12. Control Unit (Manual A/C Model) ..............................................................31
13. Control Unit (Auto A/C Model)...................................................................32
14. Compressor...............................................................................................33
15. Condenser.................................................................................................35
16. Heater and Cooling Unit............................................................................36
17. Evaporator.................................................................................................37
18. Hose and Tube..........................................................................................38
19. Relay and Fuse .........................................................................................39
20. Pressure Switch (Triple Pressure Switch).................................................40
21. Ambient Sensor (Auto A/C Model) ............................................................41
22. Sunload Sensor (Auto A/C Model) ............................................................42
23. In-Vehicle Sensor (Auto A/C Model) .........................................................43
24. Air Vent Grille ............................................................................................44
25. Heater Duct ...............................................................................................45
26. Heater Vent Duct.......................................................................................46
27. Heater Cock Solenoid Valve .....................................................................47
28. General Diagnostic Table..........................................................................48
AC
Page