Subaru Impreza 2002 Service Manual page 3251

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
9. Symptom Related Diagnostic
A: GENERAL DIAGNOSTICS TABLE
Component parts
Fuses (M/B No. 5, F/B No. 17)
Poor connector contacts
Ground
A/C control module
Air mix door actuator and potentiometer (including
links)
Mode door actuator and potentiometer (including
links)
Intake door actuator and potentiometer (including
links)
Blower fan motor
Blower fan relay
A/C relay
Magnet clutch
Radiator fan motors (Main and sub)
Radiator fan relays (Main and sub)
Sensors (In-vehicle, ambient, water temperature,
evaporator, sunload, etc.)
In-vehicle sensor aspirator duct
SYMPTOM RELATED DIAGNOSTIC
Symptom
AC-46
HV0044