1997 SUBARU LEGACY Service Repair Manual

Page 2345 of 3342

SUBARU LEGACY 1997  Service Repair Manual H2M1414B
11BA3CHECK INPUT SIGNAL FOR ECM.
(USING VOLTAGE METER AND SUBARU
SELECT MONITOR.)
1) Turn ignition switch to ON. (Engine OFF)
2) Measure voltage between ECM connector and chassis
ground.
: Co

Page 2346 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0936
2) Disconnect connector from fuel sub meter unit.
3) Measure resistance between connector terminals of
fuel sub meter unit.
: Terminals
No. 1—No. 2:
Is the resistance less than 100Ω?
: Go

Page 2347 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0939A
11BA8CHECK HARNESS BETWEEN ECM AND
FUEL PUMP CONNECTOR.
1) Connect connector to fuel sub meter unit.
2) Turn ignition switch to ON.
3) Measure voltage between fuel pump connector and
chassis

Page 2348 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0340
BB: DTC P0500
—VEHICLE SPEED SENSOR
MALFUNCTION—
WIRING DIAGRAM:
B2M1285
NOTE:
Check vehicle speed sensor 2 circuit.
<Ref. to 2-7 [T10BB0].>
497
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagn

Page 2349 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0358
BC: DTC P0505
—IDLE CONTROL SYSTEM MALFUNCTION
—
WIRING DIAGRAM:
B2M0796
NOTE:
Check idle air control solenoid valve circuit.
<Ref. to 2-7 [T10BC0].>
498
2-7ON-BOARD DIAGNOSTICS II SYSTEM

Page 2350 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1104
BD: DTC P0506
—IDLE CONTROL SYSTEM RPM LOWER
THAN EXPECTED—
WIRING DIAGRAM:
B2M0796
NOTE:
Check idle air control system.
<Ref. to 2-7 [T10BD0].>
499
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. D

Page 2351 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1105
BE: DTC P0507
—IDLE CONTROL SYSTEM RPM HIGHER
THAN EXPECTED—
WIRING DIAGRAM:
B2M0796
NOTE:
Check idle air control system.
<Ref. to 2-7 [T10BE0].>
500
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11.

Page 2352 of 3342

SUBARU LEGACY 1997  Service Repair Manual BF: DTC P0600
—SERIAL COMMUNICATION LINK
MALFUNCTION—
WIRING DIAGRAM:
B2M0797
NOTE:
Check serial communication circuit.
<Ref. to 2-7 [T10BF0].>
501
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostic