Toyota Avensis ZZT251 2003 Service And Repair Manual page 280

10–4
1ZZ–FE:
Throttle Stop Screw
No clearance
Throttle Lever
3ZZ–FE:
Throttle Stop Screw
Throttle Lever
No clearance
VTA E2 VC
AVENSIS REPAIR MANUAL (RM1018E)
ENGINE CONTROL SYSTEM
3. INSPECT THROTTLE BODY ASSY
(a) Check throttle body.
(1)
(2)
(3)
(4)
NOTICE:
Do not adjust the throttle stop screw.
A60621
4. INSPECT THROTTLE POSITION SENSOR
(a) Resistance inspection.
(1)
(2)
Resistance: 2.5 to 6.0 kf
(3)
Variation in resistance:
A60551
The resistance value increases in proportion to the
throttle lever opening value.
HINT:
http://vnx.su
– SFI SYSTEM (1ZZ–FE/3ZZ–FE)
Check that throttle valve shaft is not rickety.
Check that each port is not stopped up.
Check that throttle valve opens and closes smooth-
ly.
Check that there is no clearance between the
throttle stop screw and throttle lever at the throttle
closed position.
Disconnect the throttle position sensor connector.
Using an ohmmeter, measure the resistance be-
tween terminals 1 (VC) and 2 (E2).
Check the variation resistance between terminals 3
(VTA) and 2 (E2).
Throttle valve
Fully open
Fully close
Resistance
0.2 to 5.7 kf
2.0 to 10.2 kf