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FI- -32
VTV Hole
Dashpot
Adjusting
Screw
ELECTRONIC FUEL INJECTION
4.
(a)
(b)
(c)
Cap
Filter
Separator
A01610
(d)
A01615
A01616
(e)
HINT:
Install the filter with the coarser surface facing the atmospheric
side (outside).
(f)
- -
THROTTLE BODY (1RZ- -E)
INSPECT AND ADJ UST DASHPOT
Warm up engine
Allow the engine to warm up to normal operating tempera-
ture.
Check idle speed
(See page EM -- 17)
Idle speed: 700 - - 800 rpm
Remove cap, filter and separator from dashpot.
Check and adjust dashpot setting speed
(1)
Maintain the engine at 4,000 rpm.
(2)
Plug the VTV hole with your finger.
(3)
Release the throttle valve.
(4)
Check that the dashpot is set.
Dashpot setting speed: 2,000 ± 200 rpm
(5)
Adjust the dashpot setting speed by turning the
dashpot adjusting screw.
(6)
Repeat steps from (a) to (c), and recheck the dash-
pot setting speed.
Reinstall separator, filter and cap to dashpot.
Check VTV operation
(1)
Maintain the engine at 2,500 rpm.
(2)
Release the throttle valve, and check that the en-
gine returns to idle in a few seconds.
3RZ-F,3RZ-FE
Pages From Supplement
TO MODEL INDEX
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