(a) Disconnect the vacuum hose from the pressure sensor for HC adsober and catalyst system.
(b) Connect the MITYVAC (Hand-held vacuum pump) to the vacuum hose.
(a) VSV (for HC adsober and catalyst system) is operate by TOYOTA hand-held tester.
(b) Apply vacuum of 55 kPa (420 mmHg, 16.24 in.Hg).
(c) Check that the vacuum after 30 sec. OK:
The vacuum is 25 Kpa (188 mmHg, 7.38 in.Hg) or more.
Check and replace vacuum hose between intake manifold and actuator.
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