Subaru IMPREZA GD 2007 Series Manual page 1942

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Diagnostic Trouble Code (DTC) Detecting Criteria
BP:DTC P0452 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR LOW INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the fuel tank pressure sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
(1) Connector
(2) Terminals
3. ENABLE CONDITION
Secondary Parameters
Battery voltage
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
(1)
(C)
(A) Output voltage
(B) Input voltage
Enable Conditions
≥ 10.9 V
GD(H4DOTC)-151
GENERAL DESCRIPTION
(2)
(A)
(B)
(C) To fuel tank
EN-03875