Subaru Legacy 2004 Service Manual page 1446

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
2 CHECK HARNESS BETWEEN STARTER
RELAY AND ECM.
1) Disconnect the connectors from starter
relay and ECM.
2) Measure the resistance of harness
between ECM and chassis ground.
Connector & terminal
(B135) No. 32 — Chassis ground:
Check
Is any other DTC displayed?
Is the resistance more than 1
M'?
EN(H4DOTC)(diag)-157
ENGINE (DIAGNOSTICS)
Yes
Inspect the DTC Go to step 2.
using "List of Diag-
nostic Trouble
Code (DTC)".
<Ref. to
EN(H4DOTC)(diag
)-55, List of Diag-
nostic Trouble
Code (DTC).>
Repair the ground Repair the poor
short circuit contact in ECM
between starter connector.
motor and ECM.
No