Subaru FORESTER 2001 Service Manual page 221

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (Diagnostics)
No.
1 CHECK ANY OTHER DTC ON DISPLAY.
2 CHECK FUEL LEVEL SENSOR.
1) Remove fuel pump assembly. <Ref. to
FU(DOHC TURBO)-60, Fuel Pump.>
2) While moving fuel level sensor float up and
down, make sure that the resistance between
fuel level sensor terminals changes smoothly.
Terminals
No. 3 — No. 5:
3 CHECK FUEL SUB LEVEL SENSOR.
1) Remove fuel sub level sensor. <Ref. to
FU(DOHC TURBO)-63, Fuel Sub Level Sen-
sor.>
2) While moving fuel sub level sensor float up
and down, make sure that the resistance
between fuel level sensor terminals changes
smoothly.
Terminals
No. 1 — No. 2:
Step
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P0462 or P0463?
Does the resistance
change smoothly between
approx. 0.5 Ω and approx.
52 Ω?
Does the resistance
change smoothly between
approx. 0.5 Ω and approx.
44 Ω?
EN(DOHC TURBO)-220
Check Yes
Inspect DTC
P0462 or P0463
using "List of
Diagnostic
Trouble Code
(DTC)". <Ref. to
EN(DOHC
TURBO)-82, List
of Diagnostic
Trouble Code
(DTC).>
Go to step 3.
Repair poor con-
tact in ECM, com-
bination meter
and coupling con-
nectors.
No
Go to step 2.
Replace fuel level
sensor. <Ref. to
FU(DOHC
TURBO)-62, Fuel
Level Sensor.>
Replace fuel sub
level sensor.
<Ref. to
FU(DOHC
TURBO)-63, Fuel
Sub Level Sen-
sor.>