AC-56
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) (LHD
MODEL)
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:
AC-00324
i51
SUNLOAD
SENSOR
i51
1 2
i49
B:
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
i49
B:
i48
A:
AUTO A/C
CONTROL MODULE
B17
B16
1
2