Toyota Camry Hybrid AHV40 Manual page 260

EG-72
e. Purge VSV Monitor
1) After completing an EVAP leak check, the THS ECU turns ON (open) the purge VSV with the leak
detection pump actuated, and introduces the atmospheric pressure in the intake manifold.
2) If the pressure change at this time is within the normal range, the THS ECU determines the condition
to be normal.
3) If the pressure is out of the normal range, the THS ECU will stop the purge VSV monitor and store
DTC P0441 in its memory.
THS
ECU
Purge VSV
(Open)
" Fuel Tank Internal Pressure Equals Atmospheric Pressure A
Vent Valve (Close)
Leak Detection Pump (ON)
Purge VSV (Open)
Fuel Vapor-containment
Valve (Close)
Fuel Tank Pressure Sensor
Atmospheric Pressure (0 kPa)
Canister Pressure Sensor
at Leak detection Pump
0.02 in. Pressure
ENGINE - 2AZ-FXE ENGINE
Atmospheric
Leak Detection
Pump (ON)
P0441
Purge VSV Monitor
Fuel Vapor-containment
Valve (Close)
Fuel Tank
Pressure Sensor
Vent Valve
(Close)
Canister Pressure Sensor
" Fuel Tank Internal Pressure High or Low A
Vent Valve (Close)
Leak Detection Pump (ON)
Purge VSV (Open)
Fuel Vapor-containment
Valve (Close)
Fuel Tank Pressure Sensor
Atmospheric Pressure (0 kPa)
Fuel Tank Pressure Sensor
Atmospheric Pressure (0 kPa)
Canister Pressure Sensor
at Leak Detection Pump
0.02 in. Pressure
Canister
Canister Pump
Module
02HEG44Y
P0441
Purge VSV Monitor
02HEG45Y