Subaru 2002 IMPREZA Service Manual page 458

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Go to step 9.
Replace the fuel
level sensor. <Ref.
to FU(D0HC
TURBO)-62, Fuel
Level Sensor.>
Replace the fuel
sub level sensor.
<Ref. to FU(D0HC
TURBO)-63, Fuel
Sub Level Sen-
Step
I 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:
I
CHECK FUEL TANK CORD.
Measure the resistance between fuel sub level
sensor and coupling connector.
Connector & terminal
(R57) NO. 3
-
(R59) NO. 1:
1
CHECK FUEL LEVEL SENSOR.
1)Remove the fuel pump assembly. <Ref. to
FU(D0HC TURBO)-60, 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 :
IO
CHECK FUEL SUB LEVEL SENSOR.
1)Remove the fuel sub level sensor. <Ref. to
FU(D0HC TURBO)-63, Fuel Sub Level Sen-
sor.>
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:
Repair open circuit
between coupling
connector and fuel
sub level sensor.
Go to step 10.
Replace the com-
bination meter.
<Ref. to IDI-11,
Combination
Meter Assembly.>
Check
the resistance less than 10
?
the resistance less than 10
?
the resistance more than 53
?
the resistance more than 45
?
between fuel level
sensor and fuel
sub level sensor.
s0r.z
EN(D0HC TURBO)-234