Subaru Legacy 2004 Service Manual page 620

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
1 CHECK OPERATION OF STARTER MOTOR.
Place the inhibitor switch in the "P" or "N"
range.
Check
Does the starter motor operate
when ignition switch to
START?
EN(H4SO 2.0)(diag)-188
Yes
Repair the har- Check starter
ness and connec- motor circuit. <Ref.
tor. to EN(H4SO
2.0)(diag)-52,
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