Subaru Legacy 2002 Service Manual page 2396

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
No.
18 CHECK GROUND SHORT OF HARNESS.
1) Turn ignition switch to OFF.
2) Connect connector to ABS sensor.
3) Measure resistance between ABSCM&H/U
connector terminal and chassis ground.
Connector & terminal
DTC 21 / (F49) No. 11 — Chassis
ground:
DTC 23 / (F49) No. 9 — Chassis
ground:
DTC 25 / (F49) No. 14 — Chassis
ground:
DTC 27 / (F49) No. 7 — Chassis
ground:
19 CHECK POOR CONTACT IN CONNEC-
TORS.
20 CHECK ABSCM&H/U.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the DTC.
21 CHECK ANY OTHER DTC APPEARANCE.
Step
Is the resistance more than
1 MΩ?
Is there poor contact in
connectors between
ABSCM&H/U and ABS
sensor?
Is the same DTC as in the
current diagnosis still being
output?
Are other DTC being out-
put?
ABS-95
Check Yes
Go to step 19.
Repair connector.
Replace
ABSCM&H/U.
Proceed with the
diagnosis corre-
sponding to the
DTC.
ABS (Diagnostics)
No
Repair harness
between
ABSCM&H/U and
ABS sensor.
And replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step 20.
Go to step 21.
A temporary poor
contact.
NOTE:
Check harness
and connectors
between
ABSCM&H/U and
ABS sensor.