Toyota 1 MZ–FE Manual page 275

1MZ–FE ENGINE – SFI SYSTEM
ACOUSTIC CONTROL INDUCTION
SYSTEM (ACIS)
ON–VEHICLE INSPECTION
INSPECT INTAKE AIR CONTROL VALVE
(a) Using a 3–way connector, connect vacuum gauge to
the actuator hose.
(b) Start the engine.
(c) While the engine is idling, check that the vacuum
gauge needle does not move.
(d) Rapidly depress the accelerator pedal to fully open
position and check that the vacuum gauge needle
momentarily fluctuates up to approx. 26.7 kPa (200
mmHg, 7.9 in.Hg). (The actuator rod is pulled out.)
EG2–275