1995 SUBARU LEGACY Service Repair Manual

Page 1473 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0458
OBD0722A
1
CHECK HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance of harness connector between
ECM and data link conn

Page 1474 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0723A
4) Measure resistance between ECM harness connector
and body.
: Connector & terminal
(B84) No. 41—Body / 10Ω, or less
: Repair short circuit of harness between ECM con-
nector and data li

Page 1475 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
LHD model
OBD0377
WIRING DIAGRAM:
RHD model
B2M0459
269
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code

Page 1476 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1
CHECK DTC P0601 ON DISPLAY.
: Check that DTC P0601 is indicated on
Subaru Select Monitor or OBD-II general
scan tool.
: Replace ECM.
270
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with

Page 1477 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0586
AM: DTC P0703
—BRAKE SWITCH INPUT MALFUNCTION
(BRK)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
1.Check operation of brake light.
2.Check harness connector between TCM and

Page 1478 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1
CHECK OPERATION OF BRAKE LIGHT.
: Depress brake pedal to ensure that brake
light comes on.
: Go to step 2.
: Repair or replace brake light circuit.
OBD0589A
2CHECK HARNESS CONNECTOR BETWEEN
TCM AND

Page 1479 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0588A
3
CHECK INPUT SIGNAL FOR TCM.
1) Connect connectors to TCM and brake light switch.
2) Measure voltage between TCM and body.
: Connector & terminal
(B56) No. 7—Body / 1 V, or less [When
rele

Page 1480 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0591
AN: DTC P0705
—TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION (RNG)—
OBD0592A
DESCRIPTION:
The inhibitor switch assures safety when starting the
engine. This switch is mounted on the right