Subaru Legacy 2003 Service Manual page 3543

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) (RHD
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
D: DTC 25 OR –25 (SUNLOAD SENSOR)
TROUBLE SYMPTOM:
• Sensor identified that sunlight is at maximum. Then, A/C system is controlled to COOL side.
• Sensor identified that sunlight is at minimum. Then, A/C system is controlled to HOT side.
NOTE:
When the sunload sensor is checked inside the passenger compartment or in the shade, DTC "25" may ap-
pear on the indicator. Always check the sunload sensor in a place where it senses direct sunlight.
WIRING DIAGRAM:
i51 A: i48
1 2
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
MODEL)
i51
AUTO A/C
A: i48 B: i49
CONTROL MODULE
AC-70
AC-00375