Subaru Legacy 2004 Service Manual page 3448

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
D: SUNLOAD SENSOR
TROUBLE SYMPTOM:
• Sensor identifies that sunlight is at maximum. Then, A/C system is controlled to COOL side.
• Sensor identifies that sunlight is at minimum. Then, A/C system is controlled to HOT side.
NOTE:
When the sunload sensor check is conducted indoors or in the shade, open circuit might be indicated. Always
check the sunload sensor at the place where the sun shines directly on it.
WIRING DIAGRAM:
i51
1 2
Diagnostic Procedure for Sensors
A: B282
A: B282
1 2 3 4
1 2 3 4 5 6 7 8
10 11 12 13 14 15 16 17 18 19 20
9 10 11 12 13 14 15 16
AC(diag)-36
i51
SUNLOAD
SENSOR
i3
B38
AUTO A/C
CONTROL MODULE
B38
5 6 7 8 9
AC-00832