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OBD0472A
4) Measure resistance of harness between transmission
harness connector and engine ground.
: Connector & terminal
(B25) No. 2—Engine ground:
Is the resistance less than 5Ω?
: Go to next.
: Repair harness and connector.
NOTE:
In this case, repair the following:
Open circuit in harness between transmission harness
connector and engine grounding terminal
Poor contact in coupling connector (B22)
: Is there poor contact in transmission har-
ness connector?
: Repair poor contact in transmission harness con-
nector.
: Replace ECM.
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B2M1115
BZ: DTC P1101
—NEUTRAL POSITION SWITCH CIRCUIT
HIGH INPUT [AT VEHICLES]—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Erroneous idling
WIRING DIAGRAM:
B2M1116
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
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10BZ1
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 step10BZ2.
B2M0593A
10BZ2
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 less than1Vin“N”and“P”
positions?
: Go to next.
: Go to step10BZ3.
B2M0593A
: Connector & terminal
(B84) No. 82 (+)—Chassis ground ( ):
Is the voltage between 4.5 and 5.5 V in other
positions?
: Go to next.
: Go to step10BZ3.
: Is there poor contact in ECM connector?
: Repair poor contact in ECM connector.
: Replace ECM.
B2M0593A
10BZ3
CHECK INPUT SIGNAL FOR ECM.
Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 82 (+)—Chassis ground ( ):
Is the voltage more than 10 V?
: Repair battery short circuit in harness between
ECM and inhibitor switch connector.
: Go to step10BZ4.
10BZ4
CHECK INHIBITOR SWITCH TYPE.
: Is inhibitor switch type plastic body?
: Go to step10BZ5.
: Go to step10BZ7.
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B2M1117A
10BZ5CHECK HARNESS BETWEEN ECM AND
INHIBITOR SWITCH.
1) Turn ignition switch to OFF.
2) Disconnect connectors from ECM and inhibitor switch.
3) Measure resistance of harness between ECM and
inhibitor switch connector.
: Connector & terminal
(B84) No. 82—(T7) No. 1:
Is the resistance less than 1Ω?
: Go to next step 4).
: Repair harness and connector.
NOTE:
In this case, repair the following:
Open circuit in harness between ECM and inhibitor
switch connector
Poor contact in coupling connector (B12)
Poor contact in inhibitor switch connector
Poor contact in ECM connector
B2M1118A
4) Measure resistance of harness between inhibitor switch
connector and engine ground.
: Connector & terminal
(T7) No. 2—Engine ground:
Is the resistance less than 5Ω?
: Go to step10BZ6.
: Repair open circuit in inhibitor switch ground line.
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B2M1119
10BZ6
CHECK INHIBITOR SWITCH.
Measure resistance between inhibitor switch connector
receptacle’s terminals.
: Terminals
No. 1—No. 2:
Is the resistance less than 1Ωin“N”and
“P”positions?
: Go to next.
: Replace inhibitor switch.
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Replace ECM.
B2M0594A
10BZ7CHECK 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
transmission harness connector.
: Connector & terminal
(B84) No. 82—(B12) No. 12:
Is the resistance less than 1Ω?
: Go to next step 4).
: Repair harness and connector.
NOTE:
In this case, repair the following:
Open circuit in harness between ECM and transmission
harness connector
Poor contact in transmission harness connector
Poor contact in ECM connector
OBD0479A
4) Measure resistance of harness between transmission
harness connector and engine ground.
: Connector & terminal
(B12) No. 11—Engine ground:
Is the resistance less than 5Ω?
: Go to step10BZ8.
: Repair open circuit in inhibitor switch ground line.
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B2M1288A
10BZ8
CHECK INHIBITOR SWITCH.
Measure resistance between transmission harness con-
nector receptacle’s terminals.
: Connector & terminal
(T3) No. 12—No. 11:
Is the resistance less than 1Ωin“N”and
“P”positions?
: Go to next.
: Replace inhibitor switch.
: Is there any fault in selector cable connec-
tion to inhibitor switch?
: Repair selector cable connection.
[W2B2].>
: Replace ECM.
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OBD0481
CA: DTC P1102
—PRESSURE SOURCES SWITCHING
SOLENOID VALVE CIRCUIT LOW INPUT—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Erroneous idling
Failure of engine to start
WIRING DIAGRAM:
B2M1308
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODE.
B2M0596A
10CA1
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 next.
: Go to step10CA2.
: Is there poor contact in ECM connector?
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: Repair poor contact in ECM connector.
: Contact with SOA service.
NOTE:
Inspection by DTM is required, because probable cause is
deterioration of multiple parts.
OBD0488A
10CA2CHECK 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 and ECM.
3) Measure resistance of harness between pressure
sources switching solenoid valve connector and engine
ground.
: Connector & terminal
(B1) No. 1—Engine ground:
Is the resistance less than 10Ω?
: Repair ground short circuit in harness between
ECM and pressure sources switching solenoid
valve connector.
: Go to next step 4).
B2M0597A
4) Measure resistance of harness between ECM and pres-
sure sources switching solenoid valve connector.
: Connector & terminal
(B84) No. 15—(B1) No. 1:
Is the resistance less than 1Ω?
: Go to step10CA3.
: Repair open circuit in harness between ECM and
pressure sources switching solenoid valve con-
nector.
B2M1120
10CA3CHECK PRESSURE SOURCES SWITCH-
ING SOLENOID VALVE.
Measure resistance between pressure sources switching
solenoid valve connector terminals.
: Terminals
No. 1—No. 2:
Is the resistance between 10 and 100Ω?
: Go to step10CA4.
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