Subaru Legacy 2004 Service Manual page 809

Step
1 CHECK OPTION CODE.
2 CHECK TEST MODE CONNECTOR.
1) Disconnect the test mode connectors.
2) Turn the ignition switch to ON.
3 CHECK HARNESS BETWEEN ECM CON-
NECTOR AND CHASSIS GROUNDING TER-
MINAL.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ECM.
3) Measure the resistance of harness
between ECM connector and chassis ground.
Connector & terminal
Model with immobilizer
(B137) No. 15 — Chassis ground:
Model without immobilizer
(B137) No. 14 — Chassis ground:
Malfunction Indicator Light
Is the option code EC, EK or
K4?
Does the malfunction indicator
light blink?
Is the resistance less than 5
'?
EN(H4SO 2.5)(diag)-53
Check Yes
Go to step 2.
Go to step 3.
Repair the short
circuit in harness
between ECM and
test mode connec-
tor.
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.
System is in good
order.
NOTE:
Malfunction indica-
tor light blinks
when test mode
connector is con-
nected.
Replace the ECM.
<Ref. to FU(H4SO
2.5)-36, Engine
Control Module
(ECM).>