A01281
FI01C--01
P23045
R
E
P
A01282
E2
VC
VTA
Ohmmeter
A01280
--
ELECTRONIC FUEL INJECTION
THROTTLE BODY (2RZ--FE, 3RZ--FE)
FI--39
THROTTLE BODY
(2RZ -- FE,
3RZ -- FE)
ON -- V E HI CL E I NS P E CT I O N
1 . INSPECT THRO TTLE BO DY
(a)
Check that the throttle linkage moves smoothly.
(b)
Check the vacuum at each port.
(1)
Start the engine.
(2)
Check the vacuum with your finger.
Port name
At idle
At 3,500 rpm
P
Vacuum
Vacuum
:
E
No vacuum
Vacuum
R
No vacuum
Vacuum
:
: 2RZ--FE
2 . INSPECT THROTTLE POSITION SENSOR
(a)
Disconnect the sensor connector.
(b)
Apply vacuum to the throttle opener.
(c)
Using an ohmmeter, measure the resistance between
each terminal.
Throttle valve
condition
Between
terminals
Resistance
Fully closed
VTA -- E2
0.2 -- 5.7 k
Ω
Fully open
VTA -- E2
2.0 -- 10.2 k
Ω
--
VC -- E2
2.5 -- 5.9 k
Ω
(d)
Connect the sensor connector.
3 . INSPECT THROTTLE OPENER
(a)
Warm up engine
Allow the engine to warm up to normal operating tempera-
ture.
(b)
Check idle speed
Idle speed: 650 -- 750 rpm
(c)
Disconnect the vacuum hose from the throttle opener,
and plug the hose end.
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Pages From Supplement
3RZ-F,3RZ-FE