Subaru Impreza 2003 Service Manual page 335

Step
14 CHECK POOR CONTACT.
Check poor contact in connector between sub
fan and ECM.
RADIATOR SUB FAN SYSTEM
Is there poor contact in con-
nector between sub fan motor
and ECM?
CO(H4SO)-13
Check
Repair the poor
contact connector.
COOLING
Yes No
Verify the DTC.
Repair the trouble
cause. <Ref. to
EN(H4SO)-38,
Read Diagnostic
Trouble Code
(DTC).>, <Ref. to
EN(H4SOw/
oOBD)-24, Read
Diagnostic Trou-
ble Code (DTC).>