Subaru Legacy III (2000-2003 year). Service manual — part 710
ABS-58
ABS (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
Q: DTC 32 ABNORMAL OUTLET SOLENOID VALVE CIRCUIT(S) IN ABSCM&H/
U (FRONT RH)
NOTE:
For the diagnostic procedure, refer to DTC 38. <Ref. to ABS-60, DTC 38 ABNORMAL OUTLET SOLENOID
VALVE CIRCUIT(S) IN ABSCM&H/U (REAR LH), Diagnostics Chart with Diagnosis Connector.>
R: DTC 34 ABNORMAL OUTLET SOLENOID VALVE CIRCUIT(S) IN ABSCM&H/
U (FRONT LH)
NOTE:
For the diagnostic procedure, refer to DTC 38. <Ref. to ABS-60, DTC 38 ABNORMAL OUTLET SOLENOID
VALVE CIRCUIT(S) IN ABSCM&H/U (REAR LH), Diagnostics Chart with Diagnosis Connector.>
S: DTC 36 ABNORMAL OUTLET SOLENOID VALVE CIRCUIT(S) IN ABSCM&H/
U (REAR RH)
NOTE:
For the diagnostic procedure, refer to DTC 38. <Ref. to ABS-60, DTC 38 ABNORMAL OUTLET SOLENOID
VALVE CIRCUIT(S) IN ABSCM&H/U (REAR LH), Diagnostics Chart with Diagnosis Connector.>
ABS-59
ABS (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
MEMO:
ABS-60
ABS (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
T: DTC 38 ABNORMAL OUTLET SOLENOID VALVE CIRCUIT(S) IN ABSCM&H/
U (REAR LH)
DIAGNOSIS:
• Faulty harness/connector
• Faulty outlet solenoid valve in ABSCM&H/U
TROUBLE SYMPTOM:
• ABS does not operate.
WIRING DIAGRAM:
ABS00294
1
23
ABS CONTROL MODULE AND HYDRAULIC CONTROL UNIT
F49
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
27 28 29 30 31
23
24
25
26
F49
BATTERY
NO
. 18 15A
SBF-4 50A
SBF-1 100A
GENERATOR
IGNITION
SWITCH
ABS-61
ABS (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
Step
Value
Yes
No
1
CHECK INPUT VOLTAGE OF ABSCM&H/U.
1) Disconnect connector from ABSCM&H/U.
2) Run the engine at idle.
3) Measure voltage between ABSCM&H/U
connector and chassis ground.
Connector & terminal
(F49) No. 1 (+) — Chassis ground (
−−−−
):
Is the measured value within the specified
range?
10 - 15 V
Repair harness
connector
between battery,
ignition switch and
ABSCM&H/U.
2
CHECK GROUND CIRCUIT OF ABSCM&H/U.
1) Turn ignition switch to OFF.
2) Measure resistance between ABSCM&H/U
connector and chassis ground.
Connector & terminal
(F49) No. 23 — Chassis ground:
Is the measured value less than the speci-
fied value?
0.5
Ω
Repair
ABSCM&H/U
ground harness.
3
CHECK POOR CONTACT IN CONNECTORS.
Is there poor contact in connectors between
generator, battery and ABSCM&H/U?
There is no poor contact.
Repair connector.
4
CHECK ABSCM&H/U.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the DTC.
Is the same DTC still being output?
Same DTC is not indicated.
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
5
CHECK ANY OTHER DTC APPEARANCE.
Are other DTC being output?
Other DTC is not indicated.
A temporary poor
contact.
Proceed with the
diagnosis corre-
sponding to the
DTC.
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