Inspect Throttle Opener (A/T) - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM
(e) If not as specified, adjust with the DP adjusting screw.
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. (A/T)
INSPECT THROTTLE OPENER
A. Warm up engine
Allow the engine to warm up to normal operating
temperature.
B. Check idle speed
Idle speed: 2WD 750 50 rpm
4WD 850 50 rpm
C. Check and adjust throttle opener setting speed
(a) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
(a) Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
(c) Release the throttle valve.
(d) Check that the throttle opener is set.
Throttle opener setting speed:
2WD 900–1,300 rpm
4WD 1,000–1,400 rpm
EG1–199