1997 SUBARU LEGACY turn signal

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.
336
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

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?
340
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

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.
344
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

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.
347
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

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.
351
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

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).
355
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

10CG1CHECK IF THE VEHICLE IS EQUIPPED
WITH TCS.
: Is the vehicle equipped with TCS?
: Go to step10CG2.
: Go to step10CG5.
B2M0603A
10CG2
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?
: Go to step10CG3.
: Go to step10CG4.
B2M0603A
10CG3CHECK 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 voltage between ECM connector and chassis
ground.
: Connector & terminal
(B84) No. 61 (+)—Chassis ground ():
Is the voltage more than 10 V?
: Repair battery short circuit in harness between
ECM and TCS C/M connector.
: Go to next step 6).
B2M0603A
6) Turn ignition switch to ON.
7) Measure voltage between ECM connector and chassis
ground.
: Connector & terminal
(B84) No. 61 (+)—Chassis ground ():
Is the voltage more than 10 V?
: Repair battery short circuit in harness between
ECM and TCS C/M connector.
: Repair poor contact in ECM connector.
358
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

OBD0145A
B2M0755
10CJ1
CHECK DATA FOR CONTROL.
1) Turn ignition switch to OFF.
2) Connect Subaru Select Monitor or the OBD-II general
scan tool to data link connector.
3) Turn ignition switch ON and Subaru Select Monitor or
the OBD-II general scan tool switch ON.
4) Start engine.
5) Read data on Subaru Select Monitor or the OBD-II gen-
eral scan tool.

Subaru Select Monitor
Designate mode using function key.
Function mode: F20

F20: Display shows pressure signal value sent from the
pressure sensor.
: Is the value less than 32 kPa in function
mode F20?
: Go to step10CJ3.
: Go to step10CJ2.

OBD-II general scan tool
For detailed operation procedures, refer to the OBD-II Gen-
eral Scan Tool Instruction Manual.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles