Subaru Legacy 2004 Service Manual page 3422

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
5. Diagnostic Chart for Self-Diagnosis
A: OPERATION
(A)
PUSH AUTO/TEMP
(8)
(B)
(1)
(2)
(A) LHD model
(1) Defroster switch
(2) Rear window defogger switch
(3) Air flow control switch
NOTE:
For A/C system self-diagnosis, there is one that checks the control panel, and the other that checks the whole
control system (sensor, actuator, blower motor, etc.). Perform the self-diagnosis for control panel first, and
then perform the self-diagnosis for control system.
Diagnostic Chart for Self-Diagnosis
AUTO
OFF
(7) (6)
A/C
MODE A/C
(3) (4)
(B) RHD model
(4) A/C switch
(5) Fan switch
(6) FRESH/RECIRC switch
AC(diag)-10
A/C
A/C MODE
(5) (4)
AUTO
OFF
(5) (6)
(7)
(8)
(3)
PUSH AUTO/TEMP
(7)
OFF switch
Temperature control dial (AUTO
switch)
(1)
(2)
(8)
AC-00901