Subaru 2009 IMPREZA Service Manual page 1462

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BV:DTC P0461 FUEL LEVEL SENSOR "A" CIRCUIT RANGE/PERFORMANCE
DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4DOTC)-144, DTC P0461 FUEL LEVEL SENSOR "A" CIRCUIT
RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
54, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-43, PROCE-
DURE, Inspection Mode.>.
Step
1 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
BW:DTC P0462 FUEL LEVEL SENSOR "A" CIRCUIT LOW
NOTE:
For the diagnostic procedure, refer to DTC P0463. <Ref. to EN(H4DOTC)(diag)-241, DTC P0463 FUEL LEV-
EL SENSOR "A" CIRCUIT HIGH, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
BX:DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH
DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4DOTC)-148, DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT
HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-54,
OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4DOTC)(diag)-43, PROCE-
DURE, Inspection Mode.>.
Step
1 CHECK FOR ANY OTHER DTC ON DISPLAY. Is DTC P0462 or P0463 dis-
Check
Check
played on the Subaru Select
Monitor?
EN(H4DOTC)(diag)-241
ENGINE (DIAGNOSTICS)
Yes No
Check the appropri- Replace the fuel
ate DTC using the level sensor and
"List of Diagnostic fuel sub level sen-
Trouble Code sor. <Ref. to
(DTC)". <Ref. to FU(H4DOTC)-75,
EN(H4DOTC)(diag) Fuel Level Sen-
-83, List of Diagnos- sor.> <Ref. to
tic Trouble Code FU(H4DOTC)-76,
(DTC).> Fuel Sub Level
Sensor.>
Yes No
Check the combi- Even if DTC is
nation meter. <Ref. detected, the cir-
to IDI-8, CHECK cuit has returned to
FUEL LEVEL a normal condition
SENSOR., at this time. Repro-
INSPECTION, duce the failure,
Combination Meter and then perform
System.> the diagnosis
again.
NOTE:
In this case, tem-
porary poor con-
tact of connector
may be the cause.