ENGINE - 2AZ-FXE ENGINE
EG-53
Function of Main Components
Operation
Component
Function
Fuel Tank
Pressure Sensor
Detects the internal pressure of the fuel tank and sends a
signal to the THS ECU.
Fuel
Vapor-Containment
Valve
Opens or closes in accordance with a signal provided by the
THS ECU, in order to seal the fuel tank or release its internal
pressure.
Fuel Vapor-
containment
System
Fuel Filler
Door Opener
Consists of a built-in motor that opens the fuel filler door
via a linkage.
If the fuel filler door opener malfunctions, the fuel filler
door can be opened manually by pulling the fuel filler
door lock shaft that is provided on the fuel filler door
opener.
Filler Door
Courtesy Switch
Transmits an ON/ OFF signal that indicates whether the fuel
filler door is open or closed.
Multi-information
Display
Provided in the combination meter, displays information
concerning refueling.
Canister
Contains activated charcoal to absorb the fuel vapor that is
Canister
Contains activated charcoal to absorb the fuel vapor that is
created in the fuel tank and during refueling.
Purge Flow
Control
Purge VSV
Opens in accordance with the signals from the THS ECU
when the system is purging, in order to send the fuel vapor
that was absorbed by the canister into the intake manifold.
In system monitoring mode, this valve controls the
introduction of the vacuum into the fuel tank.
Vent Valve
Opens and closes the fresh air line in accordance with the
signals from the THS ECU.
EVAP Leak
Check
Canister
Pump
Module
Leak
Detection
Pump
Applies vacuum pressure in the evaporative emission
control system in accordance with the signals from the THS
ECU.
Module
Canister
Pressure
Sensor
Detects the pressure in the evaporative emission control
system and sends the signals to the THS ECU.
All
THS ECU
Determines the results of the canister pump module’s
system leak check, effects purge control through the fuel
vapor-containment valve and the purge VSV, and
controls the internal pressure of the fuel tank.
Monitors the system for any leakage and outputs a DTC
if a malfunction is found.
Содержание Camry Hybrid AHV40
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