Toyota COMPUTER-CONTROLLED SYSTEM Training Manual page 184

W
INSPECTION AND ADJUSTMENT - Throttle Position Sensor and Throttle Bod y
E2
IDL
VTA
E2 VTA IDL E2
2 . INSPECT THROTTLE POSITION SENSOR
(a) Disconnect the sensor connector .
(b) Insert a feeler gauge between the throttle stop
screw and stop lever.
(c) Using an ohmmeter, measure the resistance
between each terminal .
If the resistance is not as specified, adjust or replace
the throttle position sensor.
CLEARANCE BETWEEN
BETWEE N
LEVER AND STOP
TERMINALS
RESISTANCE S2
SCREW mm (in . )
0(0) VTA - E2 200 - 80 0
0 .35 (0 .014) IDL - E2 2,300 or less
0 .59 (0 .023) IDL - E2 Infinit y
Thro
tt
le valve full y
opened
y fA-E2 3,300 - 10,00 0
-
VC-E2
3,000 - 7,00 0
(d) Reconnect the sensor connector .
INSPECTION OF THROTTLE BOD Y
1 . CLEAN THROTTLE BOD Y
(a) Using a soft brush and carburetor cleaner, clean
the cast parts .
(b) Using compressed air, clean all passages
apertures .
NOTICE : To prevent damage, do not clean the throttle
position sensor .
2 . INSPECT THROTTLE BODY VALV E
Check that there is no clearance between the throttle
stop screw and throttle lever when the throttle valve is
fully closed .
3 . INSPECT THROTTLE POSITION SENSOR
( See step 2 on "ON-VEHICLE INSPECTION" )
4 . IF NECESSARY, ADJUST THROTTLE POSITION
SENSO R
(a) Loosen the two set screws of the sensor .
178