1996 SUBARU LEGACY Service Repair Manual

Page 2097 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0599A
10BM1
CHECK INPUT SIGNAL FOR ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM and chassis ground.
: Connector & terminal
(B84) No. 79 (+)—Chassis ground (�):
Is the voltag

Page 2098 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0601A
4) Measure resistance of harness between ECM and
chassis ground.
: Connector & terminal
(B84) No. 79—Chassis ground:
Is the resistance less than 10Ω?
: Repair short circuit in harness bet

Page 2099 of 2890

SUBARU LEGACY 1996  Service Repair Manual H2M1406
BN: DTC P1400
—FUEL TANK PRESSURE CONTROL
SOLENOID VALVE CIRCUIT MALFUNCTION
(PCVSOL)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
10BN1Check output signal from ECM.

10BN2

Page 2100 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
LHD Model
B2M0928
332
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2101 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M1020
333
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2102 of 2890

SUBARU LEGACY 1996  Service Repair Manual H2M1408B
10BN1
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 2103 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0930A
10BN3CHECK HARNESS BETWEEN FUEL
TANK PRESSURE CONTROL SOLENOID
VALVE AND ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from fuel tank pressure control
solenoid valve

Page 2104 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0932A
10BN5CHECK 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