*16
*17
Evaporative Emission (EVAP) Control
System
EVAP Canister
EVAP Canister Purge Valve
Fuel Tank Pressure (FTP) Sensor
EVAP Two Way Valve and EVAP Bypass Solenoid
Valve
11-50
Fuel and Emissions Systems
System Descriptions (cont’d)
SENSOR CHIP
To FTP SENSOR
To FUEL TANK
To EVAP
CANISTER
To EVAP
CANISTER
FILTER
VALVE
EVAP TWO WAY
VALVE
DIAPHRAGM
VALVE
EVAP BYPASS
SOLENOID VALVE
VALVE
Refer to the System Diagram to see a functional layout
of the system.
The EVAP canister temporarily stores fuel vapor from
the fuel tank until it can be purged into the engine and
burned.
When the engine coolant temperature is below 147°F
(64°C), the PCM turns off the EVAP canister purge valve
which cuts vacuum to the EVAP canister.
The FTP sensor converts fuel tank absolute pressure
into an electrical input to the PCM.
The EVAP two way valve is located between the fuel
tank and the EVAP canister line.
The EVAP two way valve sends fuel vapor to the EVAP
canister corresponding to the pressure inside the fuel
tank and prevents excessive vacuum in the fuel tank by
drawing in fresh air through the EVAP canister.
The EVAP bypass solenoid valve opens to bypass the
two way valve when doing the EVAP leak check.
03/07/29 09:18:15 61S0X050_110_0050
Содержание 2004 Odyssey
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