Lexus 2005 IS300 User Manual page 761

Fuel Tank Cap
Air
Disconnect
Plug
Air
Purge Line Hose
2005 LEXUS IS300 (RM1140U)
EMISSION CONTROL
HINT:
If the pressure does not decrease when the filler cap is re-
moved, then you can conclude that the hose connecting the
service port to the fuel tank is blocked, etc.
(k)
B06547
5.
EVAP Line Hose
(a)
(b)
(c)
(d)
B11898
If there is no abnormality, replace the fuel tank and filler pipe.
(e)
6.
EVAP Line Hose
(a)
(b)
(c)
(d)
B11899
HINT:
In the condition that the fuel fuel is full, as the float value of the
fill check valve is closed and has no ventilation, it is necessary
to check the fuel amount (volume).
(e)
If there is no stuck in hoses, replace the fuel cutoff valve and fill
check valve.
(f)
- EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM
(3) Check if the pressure decreases when the fuel tank
cap is removed while adding pressure.
Disconnect the pressure gauge from the EVAP service
port on the purge line.
CHECK AIRTIGHTNESS IN FUEL TANK AND FILLER
PIPE
Disconnect the EVAP line hose from the charcoal canister
side and then pressurize and make the internal pressure
in the fuel tank 4 kPa (41 gf/cm
Check that the internal pressure of the fuel tank can be
hold for 1 minute.
Check the connected portions of each hose and pipe.
Check the installed parts on the fuel tank.
Reconnect the EVAP line hose to the charcoal canister.
INSPECT FUEL CUTOFF VALVE AND FILL CHECK
VALVE
Disconnect the purge line hose and EVAP line hose from
the charcoal canister.
Plug the EVAP port with a cap.
Disconnect the air drain hose from the canister tank, and
plug its.
Pressurize 4 kPa (41 gf/cm
and check that there is ventilation through the EVAP line
hose.
Check if there is any stuck in the vent line hose and EVAP
line hose.
Reconnect the purge line hose and EVAP line hose to the
charcoal canister.
Author :
2
, 0.58 psi).
2
, 0.58 psi) to the purge port
Date :
EC-9
1374