Subaru 2002 IMPREZA Service Manual page 2215

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
Step
9 CHECK CONTAMINATION OF ABS SENSOR
OR TONE WHEEL.
Remove the disc rotor from hub.
10 CHECK DAMAGE OF ABS SENSOR OR
TONE WHEEL.
11 CHECK TONE WHEEL RUNOUT.
Measure the tone wheel runout.
12 CHECK ABSCM&H/U.
1)Turn the ignition switch to OFF.
2)Connect all connectors.
3)Erase the memory.
4)Perform the inspection mode.
5)Read out the DTC.
13 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES (DTCs) APPEARANCE.
Check
Is the ABS sensor piece or
tone wheel contaminated by
dirt or other foreign matter?
Are there broken or damaged
teeth in the ABS sensor piece
or tone wheel?
Is the runout less than 0.05
mm (0.0020 in)?
Is the same DTC as in the cur-
rent diagnosis still being out-
put?
Are other DTCs being output? Proceed with the
ABS-117
ABS (DIAGNOSTICS)
Yes
Thoroughly Go to step 10.
remove dirt or
other foreign mat-
ter.
Replace the ABS Go to step 11.
sensor or tone
wheel. Front:
<Ref. to ABS-14,
Front ABS Sen-
sor.> Rear: <Ref.
to ABS-17, 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 the tone
wheel. Front:
<Ref. to ABS-20,
Front Tone
Wheel.> Rear:
<Ref. to ABS-21,
Rear Tone
Wheel.>
Replace the Go to step 13.
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
A temporary poor
diagnosis corre- contact.
sponding to DTC.
No