Control Switches - Subaru Legacy 2002 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
7 OUT-TEMP switch
2) Compressor operation inspection
No. Point to check
A. AUTO switch "ON"
B. A/C switch "ON"
1 Compressor
C. DEF switch "ON"
D. MODE switch "DEF/HEAT"
GENERAL DESCRIPTION
S001001A1006
Switch operation
OFF switch "ON"
A. AUTO switch "ON"
B. Temp. control switch 18°C (65°F) (Max. Cold)
C. TEMP control switch is gradually set from 18°C
(65°F) to 32°C (85°F).
D. Temp. control switch 32°C (85°F) (Max. Hot)
A. DEF switch "ON"
B. Temp. control switch 18 — 32°C (65 — 85°F)
FRESH/RECIRC switch "ON"
MODE switch "ON"
FAN switch "ON"
OUT-TEMP switch "ON"
Switch operation
HVAC System (Auto A/C) (Diagnostics)
"SET" temperature display go out.
¼ Air flow → OFF
¼ Outlet → HEAT
¼ Inlet → FRESH
¼ Compressor → OFF
a. AUTO switch display illuminates.
b.
¼ Outlet air → Cool
¼ Air flow → HI (AUTO)
¼ Outlet → VENT
¼ Inlet → AUTO
¼ Compressor → AUTO
c. Air and air outlet mode change as follows:
¼ Outlet air: cool → hot
¼ Air flow: AUTO
¼ Outlet: VENT → BI-LEVEL → HEAT
¼ Inlet: AUTO
d. Outlet air → Hot
¼ Air flow → HI (AUTO)
¼ Outlet → HEAT
¼ Inlet → FRESH (AUTO)
¼ Compressor → AUTO
a. DEF switch display illuminates.
b.
¼ Outlet air temperature (AUTO control)
¼ Air flow (AUTO control)
¼ Outlet → DEF
¼ Inlet → FRESH
¼ 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" tem-
perature display, and "set" temperature
appears.
Judgement standard
a. Compressor ON
b. Compressor ON
c. Compressor ON
d. Compressor ON (LHD model)
AC-7
Judgement standard
Remarks
Compressor turns OFF several
seconds after AUTO switch is
turned ON.