Subaru Legacy 2004 Service Manual page 987

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
1 CHECK OPTION CODE.
2 CHECK OPERATION OF STARTER MOTOR.
Place the inhibitor switch in the "P" or "N"
range.
Check
Is the option code EC, EK or
K4?
Does the starter motor operate
when ignition switch to
START?
EN(H4SO 2.5)(diag)-228
Yes
Go to step 2. Refer to EN(H4SO
2.0) section. <Ref.
to EN(H4SO
2.0)(diag)-66, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
Fuel injection sys-
tem for KA and KS
model is the same
as 2.0 L model.
Repair the har- Check starter
ness and connec- motor circuit. <Ref.
tor. to EN(H4SO
2.5)(diag)-55,
NOTE:
STARTER
In this case, repair
MOTOR CIR-
the following:
CUIT, Diagnostics
• Open or ground
for Engine Start-
short circuit in har-
ing Failure.>
ness between
ECM and starter
motor connector
• Poor contact in
ECM connector
No