1996 SUBARU LEGACY Service Repair Manual

Page 2033 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M1019
10AL1
CHECK PRESSURE/VACUUM LINE.
: Is there a fault in pressure/vacuum line?
NOTE:
Check the following items.
Disconnection, leakage and clogging of the vacuum
hos

Page 2034 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0340
AM: DTC P0500
—VEHICLE SPEED SENSOR MALFUNCTION
(VSP)—
DTC DETECTING CONDITION:
Immediately at fault recognition
10AM1Check speedometer operation in combination
meter.
10AM2Check harness

Page 2035 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M0904
10AM1CHECK SPEEDOMETER OPERATION IN
COMBINATION METER.
: Does speedometer operate normally?
: Go to step10AM2.
: Check speedometer and vehicle speed sensor
<Ref. to

Page 2036 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0574A
10AM3CHECK HARNESS BETWEEN ECM AND
COMBINATION METER CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance of harness between ECM connec-
tor and

Page 2037 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0358
AN: DTC P0505
—IDLE CONTROL SYSTEM MALFUNCTION
(ISC)—
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Erroneous idling
Engine stalls.
Engine breathing
10AN1C

Page 2038 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
LHD Model
B2M0766
WIRING DIAGRAM:
RHD Model
B2M0796
270
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2039 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10AN1
CHECK AIR INTAKE SYSTEM.
1) Turn ignition switch to ON.
2) Start engine, and idle it.
: Is there a fault in air intake system?
NOTE:
Check the following items.
Loose installation of intake mani

Page 2040 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0576A
3) Turn ignition switch to OFF.
4) Disconnect connector from idle air control solenoid
valve.
5) Turn ignition switch to ON.
6) Measure voltage between ECM and chassis ground.
: Connector & t