1997 SUBARU LEGACY Service Repair Manual

Page 2257 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0736A
10CW1
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to OFF.
2) Connect test mode connector at the lower portion of
instrument panel (on the driver’s side), to the side of the
center

Page 2258 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1142
CX: DTC P1540
—VEHICLE SPEED SENSOR MALFUNCTION
2—
DTC DETECTING CONDITION:
Immediately at fault recognition
WIRING DIAGRAM:
B2M1285
CAUTION:
After repair or replacement of faulty parts,

Page 2259 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10CX1CHECK SPEEDOMETER OPERATION IN
COMBINATION METER.
: Does speedometer operate normally?
: Go to step10CX2.
: Check speedometer and vehicle speed sensor
<Ref. to 6-2 [K3A0].>.
B2M0573A
10CX2CHECK H

Page 2260 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0501
CY: DTC P1700
—THROTTLE POSITION SENSOR CIRCUIT
MALFUNCTION FOR AUTOMATIC
TRANSMISSION—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Shift point to

Page 2261 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10CY1
CHECK DTC P1700 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P1700?
: Check throttle position sensor circuit. <Ref. to 3-2
[T7K0].>
: It is not necessary

Page 2262 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0669
CZ: DTC P1701
—CRUISE CONTROL SET SIGNAL CIRCUIT
MALFUNCTION FOR AUTOMATIC
TRANSMISSION—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
WIRING DIAGRAM:
OBD0512
CAUTION

Page 2263 of 3342

SUBARU LEGACY 1997  Service Repair Manual : Connector & terminal
(B56) No. 3—(B94) No. 3:
Is the resistance less than 1Ω?
: Go to next step 4).
: Repair open circuit in harness between TCM and
CCM connector.
OBD0515A
4) Measure resistance

Page 2264 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1143
DA: DTC P1702
—AUTOMATIC TRANSMISSION DIAGNOSIS
INPUT SIGNAL CIRCUIT LOW INPUT—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
WIRING DIAGRAM:
B2M0614
CAUTION:
After r