1997 SUBARU LEGACY Service Repair Manual

Page 2217 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0755
10CJ2
CHECK PRESSURE SENSOR.
1) Measure actual atmospheric pressure.
2) Read data on Subaru Select Monitor or OBD-II general
scan tool.
Subaru Select Monitor
Designate mode using function key

Page 2218 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1270B
OBD0005B
10CJ4CHECK PRESSURE SOURCES SWITCH-
ING SOLENOID VALVE.
1) Turn ignition switch to OFF.
2) Connect test mode connector.
3) Turn ignition switch to ON.
: Does pressure sources switchi

Page 2219 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1129
CK: DTC P1144
—PRESSURE SENSOR CIRCUIT
RANGE/PERFORMANCE PROBLEM (HIGH
INPUT)—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
WIRING DIAGRAM:
B2M1308
CAUTION:
After re

Page 2220 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0145A
10CK1
CHECK DATA FOR CONTROL.
1) Turn ignition switch to OFF.
2) Connect Subaru Select Monitor or the OBD-II general
scan tool to data link connector.
3) Turn ignition switch ON and Subaru Se

Page 2221 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1130
CL: DTC P1400
—FUEL TANK PRESSURE CONTROL
SOLENOID VALVE CIRCUIT LOW INPUT—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
WIRING DIAGRAM:
B2M0928
CAUTION:
After repai

Page 2222 of 3342

SUBARU LEGACY 1997  Service Repair Manual H2M1408B
10CL1
CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 10 (+)—Chassis ground (�):
Is the volt

Page 2223 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0931A
4) Measure resistance of harness between ECM and fuel
tank pressure control solenoid valve connector.
: Connector & terminal
(B84) No. 10—(R68) No. 2:
Is the voltage less than 1Ω?
: Go to

Page 2224 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0932A
10CL4CHECK POWER SUPPLY TO FUEL TANK
PRESSURE CONTROL SOLENOID
VA LV E .
1) Turn ignition switch to ON.
2) Measure voltage between fuel tank pressure control
solenoid valve and chassis ground