Subaru Legacy 2002 Service Manual page 2354

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
No.
10 CHECK DAMAGE OF ABS SENSOR OR
TONE WHEEL.
11 CHECK TONE WHEEL RUNOUT.
Measure tone wheel runout.
12 CHECK ABSCM&H/U.
1) Turn ignition switch to OFF.
2) Connect all connectors.
3) Erase the memory.
4) Perform inspection mode.
5) Read out the DTC.
13 CHECK ANY OTHER DTC APPEARANCE.
Step
Are there broken or dam-
aged teeth in the ABS sen-
sor piece or the tone
wheel?
Is the runout less than 0.05
mm (0.0020 in)?
Is the same DTC as in the
current diagnosis still being
output?
Are other DTC being out-
put?
ABS-53
Check Yes
Replace ABS sen-
sor or tone wheel.
Front: <Ref. to
ABS-12, Front
ABS Sensor.>
Rear: <Ref. to
ABS-15, Rear
ABS Sensor.> and
Front: <Ref. to
ABS-20, Front
Tone Wheel.>
Rear: <Ref. to
ABS-21, Rear
Tone Wheel.>
Go to step 12.
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.
ABS (Diagnostics)
No
Go to step 11.
Replace tone
wheel. Front:
<Ref. to ABS-20,
Front Tone
Wheel.> Rear:
<Ref. to ABS-21,
Rear Tone
Wheel.>
Go to step 13.
A temporary poor
contact.