Subaru IMPREZA GD 2007 Series Manual page 1940

asieps_tobira_IM_US.book 149 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Diagnostic Trouble Code (DTC) Detecting Criteria
BO:DTC P0451 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR
1. OUTLINE OF DIAGNOSIS
Detect the tank pressure sensor output property abnormality.
Judge as NG when there is no pressure variation, which should exist in the tank, considering the engine sta-
tus.
2. COMPONENT DESCRIPTION
(1) Connector
(2) Terminals
3. ENABLE CONDITION
Secondary Parameters
After engine starting
Fuel level
Fuel temperature
Battery voltage
Atmospheric pressure
Purge control solenoid valve ON/OFF
4. GENERAL DRIVING CYCLE
• Perform the diagnosis continuously after 60 seconds or more have passed since the engine started.
• Be sure to check the fuel level and fuel temperature.
(1)
(C)
(A) Output voltage
(B) Input voltage
Enable Conditions
60 seconds or more
≥ 9 2 (2.38 US gal,
1.98 Imp gal)
< 35°C (95°F)
≥ 10.9 V
> 75.0 kPa (563
mmHg, 22.2 inHg)
Experienced
GD(H4DOTC)-149
GENERAL DESCRIPTION
(2)
(A)
(B)
(C) To fuel tank
EN-03875