Subaru Legacy 2003 Service Manual page 2882

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
Step
12 CHECK BATTERY SHORT OF HARNESS.
Measure voltage between ABSCM&H/U con-
nector 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 ( − − − − ):
Is the measured value less than the specified
value?
13 CHECK BATTERY SHORT OF HARNESS.
1) Turn ignition switch to ON.
2) Measure voltage between ABSCM&H/U
connector 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 ( − − − − ):
Is the measured value less than the speci-
fied value?
14 CHECK INSTALLATION OF ABS SENSOR.
Are the ABS sensor installation bolts tightened
with the specified torque?
15 CHECK ABS SENSOR GAP.
Measure tone wheel to ABS sensor piece gap
over entire perimeter of the wheel.
Is the measured value within the specified
range?
16 CHECK TONE WHEEL RUNOUT.
Measure tone wheel runout.
Is the measured value within the specified
range?
Value
1 V
1 V
33±10 N·m (3.4±1.0 kgf-m,
25±7 ft-lb)
Front wheel 0.3 — 0.8 mm
(0.012 — 0.031 in) and Rear
wheel 0.44 — 0.94 mm
(0.0173 — 0.0370 in)
0.05 mm (0.0020 in)
ABS-91
ABS (DIAGNOSTICS)
Yes
Go to step 13. Repair harness
between
ABSCM&H/U and
ABS sensor.
Go to step 14. Repair harness
between
ABSCM&H/U and
ABS sensor.
Go to step 15. Tighten ABS sen-
sor installation
bolts securely.
Go to step 16. Adjust the gap.
NOTE:
Adjust the gap us-
ing spacers (Part
No. 26755AA000).
If spacers cannot
correct the gap, re-
place worn sensor
or worn
wheel.
Go to step 17. Replace tone
wheel. Front:
<Ref. to ABS-19,
Front Tone
Wheel.> Rear:
<Ref. to ABS-20,
Rear Tone
Wheel.>
No
tone