Subaru IMPREZA GD 2007 Series Manual page 2219

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BO:DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR HIGH 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
Vehicle speed
All conditions of EVAP canister purge
Learning value of evaporation gas den-
sity
Main feedback compensation coefficient
Battery voltage
4. GENERAL DRIVING CYCLE
Perform the diagnosis when purging.
(1)
(D)
(C)
(A) Output voltage
(B) Input voltage
Enable Conditions
≥ 2 km/h (1.24 MPH)
Completed
≤ 0.08
≥ 0.9
≥ 10.9 V
GD(STI)-152
(2)
(A)
(B)
(C) To fuel tank
(D) To tank pressure control solenoid
EN-01732