Toyota COMPUTER-CONTROLLED SYSTEM - Engine Control System Diagram

a
OUTLINE OF
TCCS - System Descriptio n
3 . ENGINE CONTROL SYSTEM DIAGRA M
Neutral start
switch
~
~
Check connecto
r
Pressure regulator /
Injector
Circuit opening
rela y
Fuel pump
Speed
senso r
J
Combination
mete r
Fuel tank
Air
conditioner
amplifier
i f
Engine EC
U
Distributor and
ignite r
Knock
sensor
Variable
resistor *
Oxygen sensor
(02 sensor)
/
r
Water temp . sensor
Batter y
TW
C
*Applicable only to General Country specification vehicles without oxygen sensor
.
COROLLA 4A-FE
ENGINE FOR
EUROPE (Apr ., 1992)
Taillight relay
Defogger relay
r-o
~
Ignition switc h
CHECK
~ ENGINE "
~ lam p
12