Electronic Control System - Toyota 4A-F Repair Manual

Idle-up VSV
O�Vlilen Se n IOr
(wi TWe)
Wall. Temp. Sen$Or
O.Vllen Sensor-
(w/ T We)
Intake Air Temp. $enSOf
Iw/o Air Flow Mellr)
So"�
Wile<
Temp.
"�
HI
R,lav
Cold S".t Injecto.
Time Switch

ELECTRONIC CONTROL SYSTEM

Location of Electronic Control Parts
Solenoid Resillor
ILHO ,..10 Ait F l ow
I dl e -Up
Mete,)
Solenoid
A.if
Cireuit Openiflg Relay
Res;,tOf
�HO wlo
Vacuum s.n.or
Iw/o Air
Fuel Pres,ure VSV
(Eu'OPII
Circuit Opening RelltV
O�Vlilen Sensor
(w/ TWCI
Metet')
Flow
ConnectOf
Verillblt Re.ittOf
Mewl
{wlo Air Flow
$efl10f
Ai" Temp.
!w/o Air Flow Meted
EFI Main Relay
Flow Meted
.. .. ..
nu
VSV
Fuel
{Europe)
V.,iIJ.bIe
Resistor
Meter)
(w/o Air Flow
Vecuum
Sensor
Iwlo Ai. Flow Meter)
FI-alil