AC-11
HVAC SYSTEM (AUTO A/C)(DIAGNOSTIC)
Diagnostic Chart for Self-Diagnosis
1. SENSOR CHECK TABLE
NOTE:
When the sunload sensor is checked indoors or in the shade, open circuit might be indicated. Always check
the sunload sensor at a place where sun shines directly on it.
*1: Only present malfunction is indicated for open circuit of sunload sensor. (However, stored malfunction can be indicated for
short circuit of sunload sensor.)
2. OPERATING MODE TABLE
Diag-
nostic
steps
Checked sensor
Open circuit
Short circuit
Present
malfunction
Stored
malfunction
DEF LED
MODE/FAN
LED
DEF LED
MODE/FAN
LED
REAR WINDOW
DEFOGGER LED
1
In-vehicle sensor
Turn off
VENT
LED blinks
Illuminate
VENT
LED blinks
Turn off
Illuminate
2
Ambient sensor
BI-LEVEL
LED blinks
BI-LEVEL
LED blinks
3
Evaporator sensor
HEAT
LED blinks
HEAT
LED blinks
4
Sunload sensor*1
DEF/HEAT
LED blinks
DEF/HEAT
LED blinks
5
Air mix door actuator P.B.R.
Fan speed
1st
LED blinks
Fan speed
1st
LED blinks
6
Combination meter commu-
nication (Ambient sensor)
Fan speed
2nd
LED blinks
Fan speed
2nd
LED blinks
When all parts are in good condition
Turn off
Step
1
2
3
4
5
6
7
8
Illuminating LED
VENT
LED
BI-LEVEL
VENT
HEAT LED
DEF/HEAT
LED
Fan speed
1st LED
Fan speed
2nd LED
Fan speed
3rd LED
Fan speed
4th LED
Fan speed
LO
LO
ML
ML
ML
MH
MH
HI
Mode actuator
VENT
VENT
VENT
BI-LEVEL
HEAT
HEAT
DEF/HEAT
DEF
Intake actuator
FRESH
RECIRC
RECIRC
FRESH
FRESH
FRESH
FRESH
FRESH
Air mix door actuator
FULL
COOL
(0%)
FULL
COOL
(0%)
FULL
COOL
(0%)
MEDIUM
(50%)
MEDIUM
(50%)
FULL HOT
(100%)
FULL HOT
(100%)
FULL HOT
(100%)
Compressor
(magnet clutch)
OFF
ON
ON
ON
ON
ON
ON
ON
Summary of Contents for 2004 Forester
Page 54: ...AC 52 HVAC SYSTEM HEATER VENTILATOR AND A C General Diagnostics ...
Page 96: ...AC 42 HVAC SYSTEM AUTO A C DIAGNOSTIC General Diagnostic Table ...
Page 306: ...ET 10 ENTERTAINMENT Front Accessory Power Supply Socket ...
Page 312: ...COM 6 COMMUNICATION SYSTEM Horn Switch ...
Page 347: ...BODY STRUCTURE BS Page 1 General Description 2 2 Datum Points 3 3 Datum Dimensions 11 ...
Page 356: ...BS 10 BODY STRUCTURE Datum Points 61 BS 00030 66 62 63 BS 00031 64 BS 00032 ...
Page 380: ...IDI 18 INSTRUMENTATION DRIVER INFO Ambient Sensor ...
Page 381: ...SEAT SE Page 1 General Description 2 2 Front Seat 6 3 Rear Seat 13 ...
Page 436: ...SL 42 SECURITY AND LOCK Keyless Transmitter ...
Page 446: ...SR 10 SUNROOF T TOP CONVERTIBLE TOP SUNROOF Sunroof Switch ...
Page 456: ...EI 10 EXTERIOR INTERIOR TRIM General Description 12 REAR GATE TRIM EI 00012 ...
Page 532: ...CC 14 CRUISE CONTROL SYSTEM Neutral Position Switch MT model ...
Page 571: ...CRUISE CONTROL SYSTEM DIAGNOSTIC CC H4DOTC Page 1 General Description 2 ...