Subaru Legacy 2002 Service Manual page 1449

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)
No.
7 CHECK FUEL TANK CORD.
1) Disconnect connector from fuel sub level
sensor.
2) Measure resistance between fuel level sen-
sor and fuel sub level sensor.
Connector & terminal
(R58) No. 6 — (R59) No. 2:
8 CHECK FUEL TANK CORD.
Measure resistance between fuel sub level
sensor and coupling connector.
Connector & terminal
(R57) No. 2 — (R59) No. 1:
9 CHECK FUEL LEVEL SENSOR.
1) Remove fuel pump assembly. <Ref. to
FU(H6)-64, REMOVAL, Fuel Pump.>
2) While moving fuel level sensor float up and
down, measure resistance between fuel level
sensor terminals.
Terminals
No. 3 — No. 6:
10 CHECK FUEL SUB LEVEL SENSOR.
1) Remove fuel sub level sensor. <Ref. to
FU(H6)-68, REMOVAL, Fuel Sub Level Sen-
sor.>
2) While moving fuel sub level sensor float up
and down, measure resistance between fuel
sub level sensor terminals.
Terminals
No. 1 — No. 2:
Step
Is the resistance less than
10 Ω?
Is the resistance less than
10 Ω?
Is the resistance more than
54.5 Ω?
Is the resistance more than
41.5 Ω?
EN(H6)-242
Check Yes
Go to step 8.
Go to step 9.
Replace fuel level
sensor. <Ref. to
FU(H6)-67, Fuel
Level Sensor.>
Replace fuel sub
level sensor.
<Ref. to FU(H6)-
68, Fuel Sub
Level Sensor.>
No
Repair open cir-
cuit between fuel
level sensor and
fuel sub level sen-
sor.
Repair open cir-
cuit between cou-
pling connector
and fuel sub level
sensor.
Go to step 10.
Replace combina-
tion meter. <Ref.
to IDI-15, Combi-
nation Meter
Assembly.>