Subaru 2002 IMPREZA Service Manual page 550

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
1 CHECK OUTPUT SIGNAL FROM ECM.
1)Turn the ignition switch to ON.
2)Measure the voltage between ECM and
chassis ground.
Connector & terminal
(8137) No. 22 (+)
-
Chassis ground ( - ) :
CW:DTC PI400
-
FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIR-
CUIT LOW INPUT
-
DTC DETECTING CONDITION:
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(D0HC TURBO)-
49, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(D0HC TURBO)-46, Inspec-
tion Mode.>.
WIRING DIAGRAM:
Two consecutive driving cycles with fault
Check Yes No
Is the voltage more than 10 V? Go to step 2.
Go to step 3 .
MAIN RELAY
BATTERY
SBF-5
3 c
I
I
PRESSURE
CONTROL
SOLENOID
A:@ ECM
1
D:@
I
m
EN(D0HC TURBO)-326