Subaru Legacy 2002 Service Manual page 2435

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
ABS (Diagnostics)
No.
1 CHECK MOTOR RELAY IN ABSCM&H/U.
Measure resistance between ABSCM&H/U
terminals.
Terminals
No. 25 — No. 26:
2 CHECK MOTOR OPERATION.
Operate the sequence control. <Ref. to
ABS-9, ABS Sequence Control.>
NOTE:
Use the diagnosis connector to operate the
sequence control.
3 CHECK POOR CONTACT IN CONNEC-
TORS.
Turn ignition switch to OFF.
4 CHECK ABSCM&H/U.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the DTC.
5 CHECK ANY OTHER DTC APPEARANCE.
Step
Is the resistance more than
1 MΩ?
Can motor revolution noise
(buzz) be heard when car-
rying out the sequence
control?
Is there poor contact in
connector between hydrau-
lic unit, relay box and
ABSCM&H/U?
Is the same DTC as in the
current diagnosis still being
output?
Are other DTC being out-
put?
ABS-134
Check Yes
Go to step 2.
Go to step 3.
Repair connector.
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Proceed with the
diagnosis corre-
sponding to the
DTC.
No
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step 4.
Go to step 5.
A temporary poor
contact.