Inspect Evap System Line - Toyota 2002 Camry Service Manual

12–2
Vacuum Gauge
Vacuum Gauge
2002 CAMRY REPAIR MANUAL (RM881U)
EMISSION CONTROL – EMISSION CONTROL SYSTEM (2AZ–FE)
(d) After going to "ECM DATA MONITOR" on the hand–held
tester, choose "PURGE VSV" to check the operation of
the purge VSV.
(e) After warm up the engine and drive the vehicle, confirm
the VSV turns on from off.
4.

INSPECT EVAP SYSTEM LINE

(a) Warm up and stop the engine. Allow the engine to warm
up to normal operating temperature.
(b) Install a vacuum gauge (EVAP control system test equip-
ment vacuum gauge) to the EVAP service port on the
purge line.
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(c) Hand–Held Tester:
Forced driving of the VSV for the EVAP.
(1)
(2)
(3)
(4)
(d) If you have no Hand–Held Tester:
Forced driving of the VSV for the EVAP.
(1)
(2)
(3)
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(e) Check the vacuum at idle
Vacuum:
Maintain at 0.368 – 19.713 in.Hg (5 – 268 in.Aq) for over
5 seconds.
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.
B06545
(f) Hand–Held Tester:
Conclude forced driving of the VSV for the EVAP.
(1)
(2)
Connect a hand–held tester to the DLC3
Start the engine.
Push the hand–held tester main switch ON.
Use the ACTIVE TEST mode on the hand–held tes-
ter to operate the VSV for the EVAP.
Disconnect the VSV connector for the EVAP.
Connect the positive (+) and negative (–) leads from
the battery to the VSV terminals for the EVAP.
Start the engine.
Stop the engine.
Disconnect the hand–held tester from the DLC3.
Author : Date :
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