Toyota Celica 2005 Repair Manual page 1510

Air Drain Hose
Pressure
Gauge
2005 CELICA (RM1131U)
EMISSION CONTROL
(e)
HINT:
If the vacuum does not change, you can conclude that the hose
connecting the VSV to the service port has come loose or is
blocked, or the VSV is malfunctioning.
(f)
B06545
(g)
(h)
(i)
(j)
Hose Clipper
B08761
HINT:
If you can't add pressure, you can conclude that the hose con-
Pressure
necting the VSV−canister−fuel tank has slipped off or the VSV
is open.
B06546
− EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM
Check the vacuum at idle.
Vacuum:
Maintain at 0.368 − 19.713 in.Hg (5 − 268 in.Aq) for over
5 seconds
If you have TOYOTA hand−held tester:
Conclude forced driving of the VSV for the EVAP.
(1) Stop the engine.
(2) Disconnect the TOYOTA hand−held tester from the
DLC3.
If you have no TOYOTA hand−held tester:
Conclude forced driving of the VSV for the EVAP.
(1) Stop the engine.
(2) Disconnect the positive (+) and negative (−) leads
from the battery, and from the VSV terminals for the
EVAP.
(3) Connect the VSV connector for the EVAP.
Disconnect the vacuum gauge from the EVAP service
port on the purge line.
Connect a pressure gauge to the EVAP service port on
the purge line.
Check the pressure.
(1) Close off the air drain hose at the marked position
of the canister with a hose clipper or similar instru-
ment.
(2) Add the pressure (13.5 − 15.5 in.Aq) from the EVAP
service port.
Pressure:
2 minutes after the pressure is added, the gauge
should be over 7.7 − 8.8 in.Aq.
1509
EC−7