Subaru Impreza 2003 Service Manual page 1391

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
1 CHECK OPERATION OF STARTER MOTOR. Does the starter motor oper-
Check
ate when ignition switch is
turned to ON?
EN(H4DOTC)-215
ENGINE (DIAGNOSTICS)
Yes
Repair the battery Check the starter
short circuit in motor circuit. <Ref.
starter motor cir- to EN(H4DOTC)-
cuit. After repair, 61, STARTER
replace the ECM. MOTOR CIR-
<Ref. to CUIT, Diagnostics
FU(H4DOTC)-49, for Engine Start-
Engine Control ing Failure.>
Module (ECM).>
No