Subaru Forester 2004 Service Manual page 151

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTIC)
Step
7 CHECK FUEL TANK CORD.
1) Disconnect the connector from fuel sub
level sensor.
2) Measure the resistance between fuel level
sensor and fuel sub level sensor.
Connector & terminal
(R58) No. 3 — (R59) No. 2:
8 CHECK FUEL TANK CORD.
Measure the resistance between fuel sub level
sensor and coupler connector.
Connector & terminal
(R57) No. 2 — (R59) No. 1:
9 CHECK FUEL LEVEL SENSOR.
1) Remove the fuel pump assembly.
<Ref. to FU(H4DOTC 2.5)-52, Fuel Pump.>
2) While moving the fuel level sensor float up
and down, measure resistance between fuel
level sensor terminals.
Terminals
No. 2 — No. 3:
10 CHECK FUEL SUB LEVEL SENSOR.
1) Remove the fuel sub level sensor. <Ref. to
FU(H4DOTC 2.5)-55, Fuel Sub Level Sensor.>
2) While moving the fuel sub level sensor float
up and down, measure resistance between
fuel sub level sensor terminals.
Terminals
No. 1 — No. 2:
Check
Is the resistance less than 10
Ω?
Is the resistance less than 10
Ω?
Is the resistance more than 53
Ω?
Is the resistance more than 45
Ω?
EN(H4DOTC 2.5)-150
Yes
Go to step 8. Repair open circuit
between fuel level
sensor and fuel
sub level sensor.
Go to step 9. Repair open circuit
between coupling
connector and fuel
sub level sensor.
Replace the fuel Go to step 10.
level sensor. <Ref.
to FU(H4DOTC
2.5)-54, Fuel Level
Sensor.>
Replace the fuel Replace the com-
sub level sensor. bination meter.
<Ref. to <Ref. to IDI-10,
FU(H4DOTC 2.5)- Combination
55, Fuel Sub Level Meter Assembly.>
Sensor.>
No