FI01A--01
A01618
A01724
Throttle
Lever
No Clearance
Vacuum
Throttle Stop Screw
A01723
E2
IDL
VTA
VC
E2
IDL
VTA
VC
A01621
FI--36
--
ELECTRONIC FUEL INJECTION
THROTTLE BODY (1RZ--E)
INSPECTION
1 . CLE AN T HRO TTLE BO DY
(a)
Using a soft brush and carburetor cleaner, clean the cast
parts.
(b)
Using compressed air, clean all the passages and aper-
tures.
NOTICE:
To prevent deterioration, do not clean the throttle position
sensor and ISC valve.
2 . INSPECT THRO TTLE VALV E
(a)
Apply vacuum to the throttle opener.
(b)
Check that there is no clearance between the throttle stop
screw and throttle lever when the closed throttle position.
3 . INSPECT THROTTLE POSITION SENSOR
(a)
Apply vacuum to the throttle opener.
(b)
Insert a thickness gauge between the throttle stop screw
and stop lever.
(c)
Using an ohmmeter, measure the resistance between
each terminal.
Clearance between
lever and stop screw
Between terminals
Resistance
0 mm (0 in.)
VTA -- E2
0.2 -- 5.7 k
Ω
0.57 mm (0.022 in.)
IDL -- E2
2.3 k
Ω
or less
0.74 mm (0.029 in.)
IDL -- E2
Infinity
Throttle valve fully open
VTA -- E2
2.0 -- 10.2 k
Ω
--
VC -- E2
2.5 -- 5.9 k
Ω
4 . IF NE CESSARY, ADJ US T THRO TTLE POSITION
SENSOR
(a)
Loosen the 2 set screws of the sensor
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Pages From Supplement
3RZ-F,3RZ-FE