Control Switches - Subaru Legacy 2003 Service Manual

5. CONTROL SWITCHES

Start and warm up engine completely.
1) Inspection using switches.
No. Point to check
1 OFF switch
2 AUTO switch
3 DEF switch
FRESH/RECIRC
4
switch
5 MODE switch
6 FAN switch
OUT-TEMP
7
switch
2) Compressor operation inspection
No. Point to check
A. AUTO switch "ON"
1 Compressor B. A/C switch "ON"
C. DEF switch "ON"
3) Illumination control inspection
No. Point to check
1 Illumination
GENERAL DESCRIPTION
Switch operation
OFF switch "ON"
A. AUTO switch "ON"
B. Temp. control dial 18°C (65°F) (Max.
Cold)
C. TEMP control dial is gradually set from
18°C (65°F) to 32°C (85°F).
D. Temp. control dial 32°C (85°F) (Max. Hot)
A. DEF switch "ON"
B. Temp. control dial 18 — 32°C (65 — 85°F)
FRESH/RECIRC switch "ON"
MODE switch "ON"
FAN switch "ON"
OUT-TEMP switch "ON"
Switch operation
Switch operation
Illumination light illuminates and both switch
Lighting switch "ON"
light and "set" temperature display dim.
Press OFF switch
Dimming of illumination is canceled.
longer than 1 second.
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
"SET" temperature display go out.
• Air flow → OFF
• Outlet → HEAT
• Inlet → FRESH
• Compressor → OFF
a. AUTO switch display illuminates.
b.
• Outlet air → Cool
• Air flow → HI (AUTO)
• Outlet → VENT
• Inlet → AUTO
• Compressor → AUTO
c. Air and air outlet mode change as follows:
• Outlet air: cool → hot
• Air flow: AUTO
• Outlet: VENT → BI-LEVEL → HEAT
• Inlet: AUTO
d. Outlet air → Hot
• Air flow → HI (AUTO)
• Outlet → HEAT
• Inlet → FRESH (AUTO)
• Compressor → AUTO
a. DEF switch display illuminates.
b.
• Outlet air temperature (AUTO control)
• Air flow (AUTO control)
• Outlet → DEF
• Inlet → FRESH
• Compressor → ON
Changes from RECIRC → FRESH, or FRESH →
RECIRC.
Outlet changes from VENT → BI-LEVEL → HEAT →
DEF/HEAT each time MODE switch is pushed.
Fan speed changes from LO → M1 → M2 → HI each
time FAN switch is pushed.
Ambient temperature flashes on "set" temperature dis-
play, and "set" temperature appears.
Judgement standard
a. Compressor ON
b. Compressor ON
c. Compressor ON
Judgement standard
AC-7
Judgement standard
Remarks
Compressor turns OFF several
seconds after AUTO switch is
turned ON.
Remarks
Green lights remain on although
OFF and OUT-TEMP switches
remain ON.