Subaru 2002 IMPREZA Service Manual page 2148
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Also See for 2002 IMPREZA:
- Service manual (4627 pages) ,
- Owner's manual (418 pages) ,
- Service manual (479 pages)
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DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (DIAGNOSTICS)
Step
7
CHECK TONE WHEEL RUNOUT.
Measure the tone wheel runout.
8
CHECK RESISTANCE OF ABS SENSOR.
1)Turn the ignition switch to OFF.
2)Disconnect the connector from ABS sensor.
3)Measure the resistance between ABS sen-
sor connector terminals.
Terminal
Front RH No. 1 — No. 2:
Front LH No. 1 — No. 2:
Rear RH No. 1 — No. 2:
Rear LH No. 1 — No. 2:
9
CHECK GROUND SHORT OF ABS SENSOR.
Measure the resistance between ABS sensor
and chassis ground.
Terminal
Front RH No. 1 — Chassis ground:
Front LH No. 1 — Chassis ground:
Rear RH No. 1 — Chassis ground:
Rear LH No. 1 — Chassis ground:
10
CHECK HARNESS/CONNECTOR BETWEEN
ABSCM&H/U AND ABS SENSOR.
1)Connect the connector to ABS sensor.
2)Disconnect the connector from ABSCM&
H/U.
3)Measure the resistance at ABSCM&H/U
connector terminals.
Connector & terminal
DTC 22 / LHD: (B301) No. 11 — No. 12:
RHD: (F49) No. 11 — No. 12:
DTC 24 / LHD: (B301) No. 9 — No. 10:
RHD: (F49) No. 9 — No. 10:
DTC 26 / LHD: (B301) No. 14 — No. 15:
RHD: (F49) No. 14 — No. 15:
DTC 28 / LHD: (B301) No. 7 — No. 8:
RHD: (F49) No. 7 — No. 8:
11
CHECK GROUND SHORT OF HARNESS.
Measure the resistance between ABSCM&H/U
connector and chassis ground.
Connector & terminal
DTC 22 /
LHD: (B301) No. 11 — Chassis ground:
RHD: (F49) No. 11 — Chassis ground:
DTC 24 /
LHD: (B301) No. 9 — Chassis ground:
RHD: (F49) No. 9 — Chassis ground:
DTC 26 /
LHD: (B301) No. 14 — Chassis ground:
RHD: (F49) No. 14 — Chassis ground:
DTC 28 /
LHD: (B301) No. 7 — Chassis ground:
RHD: (F49) No. 7 — Chassis ground:
Check
Is the runout less than 0.05
mm (0.0020 in)?
Is the resistance between 1
and 1.5 kΩ?
Is the resistance more than 1
MΩ?
Is the resistance between 1
and 1.5 kΩ?
Is the resistance more than 1
MΩ?
ABS-50
Yes
Go to step 8.
Replace the tone
wheel. Front:
<Ref. to ABS-20,
Front Tone
Wheel.> Rear:
<Ref. to ABS-21,
Rear Tone
Wheel.>
Go to step 9.
Replace the ABS
sensor. Front:
<Ref. to ABS-14,
Front ABS Sen-
sor.> Rear: <Ref.
to ABS-17, Rear
ABS Sensor.>
Go to step 10.
Replace the ABS
sensor. Front:
<Ref. to ABS-14,
Front ABS Sen-
sor.> Rear: <Ref.
to ABS-17, Rear
ABS Sensor.>
Go to step 11.
Repair the har-
ness/connector
between
ABSCM&H/U and
ABS sensor.
Go to step 12.
Repair the har-
ness/connector
between
ABSCM&H/U and
ABS sensor.
No
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