Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 1064 / 1976

B12653
Air Drain Port
Air
Cap
Purge Port
EVAP Port
Air Inlet Port
B12654
Cap
Vacuum
Air Inlet Port
B12655
Purge Port
Vacuum
Air Inlet
Port
EVAP Port
EC-10
- EMISSION CONTROL EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM
1070
Author: Date:
2001 SIENNA (RM787U)
(3) While holding the purge port and the air drain port
closed, blow air (1.76kPa, 18 gf/cm
2
, 0.26 psi) into
the EVAP port and check that air does not flow from
the air inlet port.
(4) Apply vacuum (3.43 kPa, 25.7 mmHg, 1.01 in.Hg)
to the purge port, check that the vacuum does not
decrease when the air inlet port is closed, and
check that the vacuum decreases when the air inlet
port is released.
(5) While holding the air inlet port closed, apply vacuum
(3.43 kPa, 25.7 mmHg, 1.01 in.Hg) to the EVAP port
and check that air flows into the purge port.
If a problem is found, replace the charcoal canister.
(6) Remove the cap from the vent port.
10. INSPECT VSV FOR EVAP
(See page
SF-68 )
11. INSPECT VSV FOR CANISTER CLOSED VALVE (CCV)
(See page
SF-73 )
12. INSPECT VSV FOR PRESSURE SWITCHING VALVE
(See page
SF-75 )
13. INSPECT VAPOR PRESSURE SENSOR
(See page
SF-77 )
14. REINSTALL CHARCOAL CANISTER ASSEMBLY