Subaru IMPREZA GD 2007 Series Manual page 2229

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BV:DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of fuel level sensor. Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
(1)
(1) Engine control module (ECM)
(2) Fuel level sensor
3. ENABLE CONDITION
Secondary Parameters
None
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
(4)
(2)
(3) Fuel sub level sensor
Enable Conditions
GD(STI)-162
(3)
EN-01735
(4) Detecting circuit