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
Содержание 2004 Forester
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