Inspect Throttle Opener - Toyota 22R-E Service Manual

EG2–238
ENGINE – MFI SYSTEM
E. Check operation of VTV
(a) Set the DP setting speed in the same procedure as
above: (a) to (c).
(b) Remove your finger from the hole and check that the
engine returns to idle speed in approx. 1 second.
F. Reinstall DP separator, filter and cap
HINT: Install the filter with the coarser surface facing
the atmospheric side (outward).

4. INSPECT THROTTLE OPENER

A. Warm up engine
Allow the engine to warm up to normal operating
temperature.
B. Check idle speed
(See page EG2–27)
Idle speed:
800 50 rpm
C. Check throttle opener setting speed
(a) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
(b) Maintain the engine at 2,500 rpm.
(c) Release the throttle valve.
(d) Check that the throttle opener is set.
Throttle opener setting speed:
900 – 1,800 rpm
if not as specified, replace the throttle body assembly.