Subaru LEGACY 2004 Service Manual page 236

ABS (DIAGNOSTICS)
Step
11 CHECK HARNESS CONNECTOR BETWEEN
ABSCM&H/U AND CHASSIS GROUND.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ABSCM&H/
U.
3) Measure the resistance of harness
between ABSCM&H/U and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
12 CHECK POOR CONTACT IN CONNECTOR. Is there poor contact in control
Subaru Select Monitor
Check
Is the resistance less than 0.5
Ω?
module power supply, ground
circuit and data link connector?
ABS(diag)-20
Yes
Go to step 12. Repair the open
circuit in harness
between
ABSCM&H/U and
inhibitor side con-
nector, and poor
contact in cou-
pling connector.
Repair the con- Replace the
nector. ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
No