Subaru Legacy 2005 Service Manual page 1283

Step
3 CHECK ECM CONNECTOR.
Check the connection of ECM connector.
4 CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Remove the combination meter. <Ref. to
IDI-15, Combination Meter.>
3) Disconnect the connector from ECM and
combination meter.
4) Measure the resistance of harness
between ECM and combination meter connec-
tor.
Connector & terminal
(B134) No. 17 — (i10) No. 16:
5 CHECK POOR CONTACT.
Check poor contact in combination meter con-
nector.
6 CHECK HARNESS BETWEEN COMBINA-
TION METER AND IGNITION SWITCH CON-
NECTOR.
1) Turn the ignition switch to ON.
2) Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 3 (+) — Chassis ground (
(i10) No. 4 (+) — Chassis ground (
Malfunction Indicator Light
Is the ECM connector correctly
connected?
Is the resistance less than 1
Ω?
Is there poor contact in combi-
nation meter connector?
Is the voltage more than 10 V? Replace the meter
−
):
−
):
EN(H4DOTC)(diag)-43
Check
Replace the ECM.
<Ref. to
FU(H4DOTC)-34,
Engine Control
Module (ECM).>
Go to step 5.
Repair the poor
contact in combi-
nation meter con-
nector.
case assembly of
combination
meter. <Ref. to IDI-
15, Combination
Meter.>
ENGINE (DIAGNOSTICS)
Yes No
Repair the con-
nection of ECM
connector.
Repair the har-
ness and connec-
tor.
NOTE:
In this case, repair
the following:
• Open circuit of
harness between
ECM and combi-
nation meter con-
nector
• Poor contact in
coupling connector
Go to step 6.
Check the follow-
ing and repair if
necessary.
NOTE:
• Blown out fuse
• Open or short
circuit of harness
between fuse and
battery terminal
• Poor contact in
ignition switch con-
nector