Subaru Impreza 2003 Service Manual page 470

DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
17.Diagnostics for Engine Starting Failure
A: PROCEDURE
1. Inspection of starter motor circuit. <Ref. to EN(H4SO)-59, STARTER MOTOR CIRCUIT, Diagnostics for Engine Starting Fail-
ure.>
2. Inspection of ECM power supply and ground line. <Ref. to EN(H4SO)-62, CONTROL MODULE POWER SUPPLY AND
GROUND LINE, Diagnostics for Engine Starting Failure.>
3. Inspection of ignition control system. <Ref. to EN(H4SO)-65, IGNITION CONTROL SYSTEM, Diagnostics for Engine Starting
Failure.>
4. Inspection of fuel pump circuit. <Ref. to EN(H4SO)-68, FUEL PUMP CIRCUIT, Diagnostics for Engine Starting Failure.>
5. Inspection of fuel injector circuit. <Ref. to EN(H4SO)-71, FUEL INJECTOR CIRCUIT, Diagnostics for Engine Starting Fail-
ure.>
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EN(H4SO)-58