Toyota 4A-FE Repair Manual page 142

Fl-124 EFI SYSTEM -
Air Induction System
F13784.
F13356
MIT
A/T
Fully Closed Angle 6° ,
Angle
Gauge
.
-
---i
,
I
Throttle Valve
Opening Angle
A4866
Fl4865
Fl4.888
INSPECTION OF THROTTLE BODY
1. CLEAN THROTTLE BODY
(a) Using a soft brush and carburetor cleaner, clean
the
cast
parts.
(b) Using compressed air, clean all the passages
and
apertures.
NOTICE: To prevent deterioration, do not clean the
throttle position sensor.
2. INSPECT THROTTLE BODY VALVE
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
(a)
Make an angle gauge as shown in the figure.
(b)
Set throttle valve opening angle to the specifications
below from the vertical position (incl. throttle valve
fully closed angle 6°).
Throttle valve opening angle:
M/T 73° or 79°
A/T 63° or 69°