1996 SUBARU LEGACY Service Repair Manual

Page 2041 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0769
10AN3CHECK IDLE AIR CONTROL SOLENOID
VA LV E .
1) Turn ignition switch to OFF.
2) Measure resistance between idle air control solenoid
valve connector terminals.
: Terminals
No. 1—No. 2:
Is

Page 2042 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0578A
10AN4CHECK POWER SUPPLY TO IDLE AIR
CONTROL SOLENOID VALVE.
1) Turn ignition switch to OFF.
2) Disconnect connector from idle air control solenoid
valve.
3) Turn ignition switch to ON.
4) Mea

Page 2043 of 2890

SUBARU LEGACY 1996  Service Repair Manual : Connector & terminal
(B84) No. 14—Chassis ground:
Is the resistance less than 10Ω?
: Repair short circuit in harness between ECM and
idle air control solenoid valve connector.
: Go to next.
: Is

Page 2044 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0370
AO: DTC P0506
—IDLE CONTROL SYSTEM RPM LOWER
THAN EXPECTED (ISC
—L)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Engine is difficult to start.
Engine do

Page 2045 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0371
AP: DTC P0507
—IDLE CONTROL SYSTEM RPM HIGHER
THAN EXPECTED (ISC
—H)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Engine keeps running at higher revoluti

Page 2046 of 2890

SUBARU LEGACY 1996  Service Repair Manual AQ: DTC P0600
—SERIAL COMMUNICATION LINK
MALFUNCTION—
DTC DETECTING CONDITION:
Two consecutive trips with fault
10AQ1Check harness between ECM and data link
connector.
CAUTION:
After repair or re

Page 2047 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M0797
279
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2048 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0582A
10AQ1CHECK HARNESS BETWEEN ECM AND
DATA LINK CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance of harness between ECM and data
link connector