Subaru Legacy 2004 Service Manual page 3002

ABS Warning Light / Brake Warning Light Illumination Pattern
Step
1 READ DTC.
Read the DTC. <Ref. to ABS(diag)-25, Read
Diagnostic Trouble Code (DTC).>
2 CHECK WIRING HARNESS.
1) Turn the ignition switch to OFF.
2) Disconnect the connector (B301) from
ABSCM&H/U.
3) Disconnect the connector (i10) from the
combination meter.
4) Measure the resistance between ABSCM
connector and combination meter connector.
Connector & terminal
(B301) No. 22 — (i10) No. 5:
3 CHECK POOR CONTACT IN CONNECTOR.
Check poor contact in all connectors.
4 CHECK ABSCM.
1) Connect the connector (B301) to the
ABSCM&H/U.
2) Turn the ignition switch to ON.
3) Measure the resistance between combina-
tion meter connector and chassis ground.
Connector & terminal
(i10) No. 5 — Chassis ground:
Check
Is DTC displayed?
Is the resistance less than 0.5
&?
Is there poor contact?
Is the resistance less than 0.5
&?
ABS(diag)-35
ABS (DIAGNOSTICS)
Yes
Perform the diag- Go to step 2.
nosis according to
DTC.
Go to step 3. Repair the har-
ness and connec-
tor between
ABSCM&H/U and
combination meter
connector.
Repair the con- Go to step 4.
nector.
Check the combi- Replace the
nation meter. ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
No