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: Replace pressure sources switching solenoid
valve.
OBD0676A
10CA4CHECK POWER SUPPLY TO PRESSURE
SOURCES SWITCHING SOLENOID
VA LV E .
1) Turn ignition switch to ON.
2) Measure voltage between pressure sources switching
solenoid valve harness connector and engine ground.
: Connector & terminal
(B1) No. 2 (+)—Engine ground ( ):
Is the voltage more than 10 V?
: Go to next.
: Repair open circuit in harness between main relay
and pressure sources switching solenoid valve
connector.
: Is there poor contact in pressure sources
switching solenoid valve connector?
: Repair poor contact in pressure sources switching
solenoid valve connector.
: Contact with SOA service.
NOTE:
Inspection by DTM is required, because probable cause is
deterioration of multiple parts.
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B2M0599A
10CB1
CHECK INPUT SIGNAL FOR ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 79 (+)—Chassis ground ( ):
Is the voltage more than 4.5 V?
: Go to next.
: Go to step10CB2.
: Is there poor contact in ECM connector?
: Repair poor contact in ECM connector.
: Replace ECM.
B2M0600A
10CB2CHECK HARNESS BETWEEN ECM AND
TCM CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and TCM.
3) Measure resistance of harness between ECM and TCM
connector.
: Connector & terminal
(B84) No. 79—(B55) No. 16:
Is the resistance less than 1Ω?
: Go to next step 4).
: Repair open circuit in harness between ECM and
TCM connector.
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Page 2198 of 3342
B2M0603A
10CC1
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 61 (+)—Chassis ground ( ):
Is the voltage more than 2 V?
: Repair poor contact in ECM connector.
: Go to step10CC2.
B2M0604A
10CC2CHECK HARNESS BETWEEN ECM AND
TCS C/M CONNECTOR.
1) Turn ignition switch to OFF.
2) Remove front passenger side seat.
3) Tear off the floor mat.
4) Disconnect connectors from ECM and TCS C/M.
5) Measure resistance of harness between ECM and
chassis ground.
: Connector & terminal
(B84) No. 61—Chassis ground:
Is the resistance less than 10Ω?
: Repair ground short circuit in harness between
ECM and TCS C/M connector.
: Replace TCS C/M.
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Page 2200 of 3342
10CD1CHECK OPERATION OF STARTER
MOTOR.
: Does starter motor operate when ignition
switch to“ON”?
NOTE:
On AT vehicles, place the inhibitor switch in each posi-
tion.
On MT vehicles, depress or release the clutch pedal.
: Repair battery short circuit in starter motor circuit.
After repair, replace ECM.
: Check starter motor circuit.
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10CE1
CHECK DTC P0705 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0705?
: Inspect DTC P0705 using“10. Diagnostics Chart
with Trouble Code”.
: Go to step10CE2.
B2M0593A
10CE2
CHECK INPUT SIGNAL FOR ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 82 (+)—Chassis ground ( ):
Is the voltage between 4.5 and 5.5 V in other
positions?
: Even if MIL lights up, the circuit has returned to a
normal condition at this time.
: Go to step10CE3.
10CE3
CHECK INHIBITOR SWITCH TYPE.
: Is inhibitor switch type plastic body?
: Go to step10CE4.
: Go to step10CE7.
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B2M0595A
10CE4CHECK HARNESS BETWEEN ECM AND
TRANSMISSION HARNESS CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and transmission
harness connector.
3) Measure resistance of harness between ECM connec-
tor and chassis ground.
: Connector & terminal
(B84) No. 82—Chassis ground:
Is the resistance less than 10Ω?
: Repair ground short circuit in harness between
ECM and transmission harness connector.
: Go to step10CE5.
10CE5CHECK TRANSMISSION HARNESS CON-
NECTOR.
1) Disconnect connector from inhibitor switch.
2) Measure resistance of harness between transmission
harness connector and engine ground.
: Connector & terminal
(T3) No. 12—Engine ground:
Is the resistance less than 10Ω?
: Repair ground short circuit in harness between
transmission harness and inhibitor switch connec-
tor.
: Go to step10CE6.
B2M1119
10CE6
CHECK INHIBITOR SWITCH.
Measure resistance between inhibitor switch connector
receptacle’s terminals.
: Terminals
No. 1—No. 2:
Is the resistance more than 1 MΩin other
positions?
: Go to next.
: Replace inhibitor switch.
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![SUBARU LEGACY 1997 Service Repair Manual : Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection. <Ref. to 3-2
[W2B2].>
: Contact with SOA service.
NOTE:
Inspection by DTM is required, beca](/manual-img/17/57434/w960_57434-2203.png "SUBARU LEGACY 1997 Service Repair Manual : Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection. <Ref. to 3-2
[W2B2].>
: Contact with SOA service.
NOTE:
Inspection by DTM is required, beca")
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Contact with SOA service.
NOTE:
Inspection by DTM is required, because probable cause is
deterioration of multiple parts.
B2M0595A
10CE7CHECK HARNESS BETWEEN ECM AND
TRANSMISSION HARNESS CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and transmission
harness connector.
3) Measure resistance of harness between ECM and
chassis ground.
: Connector & terminal
(B84) No. 82—Chassis ground:
Is the resistance less than 10Ω?
: Repair short circuit in harness between ECM and
transmission harness connector.
: Go to step10CE8.
B2M1288A
10CE8
CHECK INHIBITOR SWITCH.
Measure resistance between transmission harness con-
nector receptacle’s terminals.
: Connector & terminal
(T3) No. 12—No. 11:
Is the resistance more than 1 MΩin other
positions?
: Go to next.
: Replace inhibitor switch.
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Contact with SOA service.
NOTE:
Inspection by DTM is required, because probable cause is
deterioration of multiple parts.
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B2M0596A
10CF1
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 15 (+)—Chassis ground ( ):
Is the voltage more than 10 V?
: Go to step10CF2.
: Go to next.
: Is there poor contact in ECM connector?
: Repair poor contact in ECM connector.
: Replace ECM.
B2M0596A
10CF2CHECK HARNESS BETWEEN ECM AND
PRESSURE SOURCES SWITCHING
SOLENOID VALVE CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from pressure sources switching
solenoid valve.
3) Turn ignition switch to ON.
4) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 15 (+)—Chassis ground ( ):
Is the voltage more than 10 V?
: Repair battery short circuit in harness between
ECM and pressure sources switching solenoid
valve connector. After repair, replace ECM.
: Go to next step 5).
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10. Diagnostic Chart with Trouble Code for LHD Vehicles
