Toyota 1RZ Supplement Manual page 424

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Throttle
Stop Screw
Vacuum
Ohmmeter
Vacuum
VC
VTA
E2
ELECTRONIC FUEL INJECTION
INSPECTION
1 .
(a)
(b)
NOTICE:
To prevent deterioration, do not clean the throttle position
sensor and ISC valve.
P21653
2 .
Throttle
Lever
(a)
(b)
No Clearance
P23448
3 .
(a)
(b)
E2
VC
(c)
VTA
Clearance between lever
and stop screw
Throttle valve fully open
P25997
- - THROTTLE BODY (2RZ- -FE, 3RZ- -FE)
CLE AN T HRO TTLE BO DY
Using a soft brush and carburetor cleaner, clean the cast
parts.
Using compressed air, clean all the passages and aper-
tures.
INSPECT THRO TTLE VALV E
Apply vacuum to the throttle opener.
Check that there is no clearance between the throttle stop
screw and throttle lever when the closed throttle position.
INSPECT THROTTLE POSITION SENSOR
Apply vacuum to the throttle opener.
Insert a thickness gauge between the throttle stop screw
and stop lever.
Using an ohmmeter, measure the resistance between
each terminal.
Between terminals
0 mm (0 in.) VTA - - E2
VTA - - E2
- - VC - - E2
3RZ-F,3RZ-FE Pages From Supplement
TO MODEL INDEX
Resistance
0.2 - - 5.7 kΩ
2.0 - - 10.2 kΩ
2.5 - - 5.9 kΩ
FI- -43
FI01F- -01