Control Switches - Subaru Legacy 2005 Service Manual

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)

5. CONTROL SWITCHES

Start and warm-up the engine completely.
1) Inspection using switches
No. Point to check
1 OFF switch
2 AUTO switch
3 Defroster switch
FRESH/RECIRC
4
switch
5 MODE switch
6 FAN switch
2) Compressor operation inspection
No. Point to check
1 Compressor
3) Inspection of illumination control
No. Point to check
1 Illumination
General Description
Switch operation
Press the OFF switch.
1) Press the AUTO switch.
2) Turn the temperature control dial to the left
fully, and set to 18°C (maximum cool position).
3) Turn the temperature control dial to the right
slowly, and change the setting from 18°C (maxi-
mum cool position) to 32°C.
4) Turn the temperature control dial to the right
fully, and set to 32°C (maximum hot position).
Press the defroster switch.
Press the FRESH/RECIRC switch.
Press the MODE switch.
Press the FAN (+) switch.
Switch operation
1) Turn the A/C switch to ON.
2) Set the FAN switch between LO and HI.
Switch operation
Turn the lighting switch to ON.
AC(diag)-4
Judgment standard
Setting temperature display goes out.
• Blower fan: OFF
• Inlet opening: FRESH
• Compressor: OFF
AUTO display illuminates.
• Outlet air temperature: COOL
• Blower fan: HI (AUTO)
• Outlet opening: FACE
• Inlet opening: AUTO
• Compressor: AUTO
• Outlet air temperature: COOL → HOT
• Blower fan: AUTO
• Outlet opening: FACE → B/L → FOOT
• Inlet opening: AUTO
• Compressor: AUTO
• Outlet air temperature: HOT
• Blower fan: HI (AUTO)
• Outlet opening: FOOT
• Inlet opening: FRESH (AUTO)
• Compressor: AUTO
Defroster switch indicator illuminates.
• Outlet air temperature: AUTO
• Blower fan: AUTO
• Outlet opening: DEF
• Inlet opening: FRESH
• Compressor: ON
Inlet opening switches RECIRC → FRESH or
FRESH → RECIRC each time pressing the
switch.
Outlet opening switches FACE → B/L →
FOOT → F/D each time pressing the switch
Inlet opening switches LO → M1 → M2 → M3
→ M4 → HI each time pressing the switch
Judgment standard
Compressor: ON
Judgment standard
Illumination comes on.