Subaru Impreza 2002 Service Manual page 3235

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
Step
18 CHECK POOR CONTACT.
Check poor contact in A/C control module.
DIAGNOSTICS FOR A/C SYSTEM FAILURE
Check
Is there poor contact in A/C
control module?
AC-30
Yes
Repair the poor Contact with your
contact in A/C con- Subaru distributor
trol module. service.
No