DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
ABS (DIAGNOSTICS)
Step
16
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:
17
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:
18
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:
19
CHECK GROUND CIRCUIT OF ABSCM&H/U.
Measure the resistance between ABSCM&H/U
and chassis ground.
Connector & terminal
LHD: (B301) No. 23 — Chassis ground:
RHD: (F49) No. 23 — Chassis ground:
20
CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in con-
21
CHECK SOURCES OF SIGNAL NOISE.
22
CHECK SOURCES OF SIGNAL NOISE.
Check
Is the resistance more than 1
MΩ?
Is the resistance between 1
and 1.5 kΩ?
Is the resistance more than 1
MΩ?
Is the resistance less than 0.5
Ω?
nectors between ABSCM&H/U
and ABS sensor?
Is the car telephone or the
wireless transmitter properly
installed?
Are noise sources (such as an
antenna) installed near the
sensor harness?
ABS-112
Yes
Go to step 17.
Replace the ABS
sensor. Front:
<Ref. to ABS-14,
Front ABS Sen-
sor.> Rear: <Ref.
to ABS-17, Rear
ABS Sensor.>
Go to step 18.
Repair the har-
ness/connector
between
ABSCM&H/U and
ABS sensor.
Go to step 19.
Repair the har-
ness/connector
between
ABSCM&H/U and
ABS sensor.
Go to step 20.
Repair the
ABSCM&H/U
ground harness.
Repair the con-
Go to step 21.
nector.
Go to step 22.
Properly install the
car telephone or
wireless transmit-
ter.
Install the noise
Go to step 23.
sources apart from
sensor harness.
No