Control Switches - Subaru Legacy 2004 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: External air
• 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: Ambient (AUTO)
• Compressor: AUTO
Defroster switch indicator illuminates.
• Outlet air temperature: AUTO
• Blower fan: AUTO
• Outlet opening: DEF
• Inlet opening: External air
• 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.