B12650
Air Inlet Hose
Air
B01253
A
Push
Pinch
Pinch
A
B12651
B12652
Air Drain Port
Air
Cap
Purge Port
EVAP Port
-
EMISSION CONTROL
EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM
EC-9
1069
Author:
Date:
2001 SIENNA (RM787U)
7.
CHECK AIR INLET LINE
(a)
Disconnect the air inlet line hose from the charcoal canis-
ter.
(b)
Check that there is ventilation in the air inlet line.
(c)
Reconnect the air inlet hose to the charcoal canister.
8.
REMOVE CHARCOAL CANISTER ASSEMBLY
(a)
Disconnect the VSV connector for the pressure switching
valve.
(b)
Disconnect the vapor pressure sensor connector.
(c)
Disconnect the fuel hose from the vapor pressure sensor.
(d)
Disconnect the purge line hose, EVAP line hose and air
inlet line hose from the charcoal canister.
(e)
Disconnect the vent line hose from the charcoal canister.
(1)
Push the connector deep inside.
(2)
Pinch portion A.
(3)
Pull out the connector.
(f)
Remove the 3 charcoal canister mounting nuts.
(g)
Remove the vapor pressure sensor mounting bolt.
(h)
Remove the charcoal canister assembly.
9.
INSPECT CHARCOAL CANISTER
(a)
VIsually check the charcoal canister for cracks or dam-
age.
(b)
Inspect the charcoal canister operation.
(1)
Plug th event port with the cap.
(2)
While holding the purge port closed, blow air (1.76
kPa, 18 gf/cm
2
, 0.26 psi) into the EVAP port and
check that air flows from the air drain port.
