Subaru Legacy 2004 Service Manual page 805

Step
1 CHECK OPTION CODE.
2 CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ECM.
3) Turn the ignition switch to ON.
Malfunction Indicator Light
Is the option code EC, EK or
K4?
Does the malfunction indicator
light illuminate?
EN(H4SO 2.5)(diag)-49
Check Yes
Go to step 2.
Repair the short
circuit in harness
between combina-
tion meter and
ECM connector.
ENGINE (DIAGNOSTICS)
No
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.
Replace the ECM.
<Ref. to FU(H4SO
2.5)-36, Engine
Control Module
(ECM).>