Inspection And Adjustmen Tgeneral - Toyota COMPUTER-CONTROLLED SYSTEM Training Manual

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INSPECTION AND ADJUSTMENT - Genera l
INSPECTION AND ADJUSTMEN T
GENERAL
In this section, the basic inspection and
adjustment methods for the major items
indicated in the following table for the 4A-FE
engine are explained . (Note that inspection and
adjustment methods for items with a circle in
the "STEP 2, EFI" column in the table have
already been explained in Step 2, vol . 5("EFI"],
based on the 1G-FE engine, so they are not
included in this Training Manual . )
SPECIFICATION FOR 4A-FE ENGINE (As of Mar., 1991 )
? COROLLA (AE 9#) CELICA (AT 180)
~AT NA ; i
INSPECTION AND ADJUSTMENT ITEMS
z
a
C
C
LU u)
Q =
d F
U
W
I Q
Z) =
QF
a
# 0
N ~
~LL
"
LL
Q
7 V
*
I (
7 W
U
W
o a
LL Q
N
a Z)
U
-
L L
6
a
=i
U
U
W
~
U J
>
W?
w
C14
H
U)
Idle speed and idle mixture
172
0 0 0 0 0 0 0 0 0 0 0
Manifold pressure sensor ( vacuum sensor) 175
0 0 0 0 0 0 0 0 0 0
Air flow meter Vane type -
0
Thro
tt
le positio n
d
On-off type -
0 0 0 0
0 0 0 0 0
0
sensor an
thro
tt
le body
Linear type
177
0
Distributor G and NE signals 180
0 0 0 0 0 0 0 0 0 0
Water temperature sensor -
0 0 0 0 0 0 0 0 0 0 0
Intake air temperature sensor 181
0 0 0 0 0 0 0
0 0 0
Feedback correction
Oxygen sensor ( O2 sensor) 182
0 0 0 0
0 0 0 0
Lean mixture sensor 183
0
Variable resistor 184
0
Fuel pump operation - 0 0 0 0
0 0 0 0 0 0 0
Fuel pressure -
0 0 0 0 0 0 0 0 0 0 0
Injector operation - 0 0 0 0
0 0 0 0 0 0 0
Injector injection volume -
0 0 0 0
0 0 0 0 0 0 0
Cold
sta
rt
injector
-
0 0 0 0 0 0 0 0 0
Cold sta rt injector injection volume -
0 0 0 0 0 0 0 0 0
Sta
rt
injector time switch
-
0 0 0 0 0 0
0 0 0
Air valve -
0 0 0 0 0 0
0 0
0 0 0
EFI main relay -
0 0 0 0 0 0
0 0
0
0
0
Circuit opening relay -
0 0 0 0 0 0 0 0 0 0
O
ISC valve Duty control ACV type 186
0 0 0 0 0 0
0 0 0 0
*
1
European specification models ( models w/TWC or OC)
*2 Except California
specification
model s
*3 California specification model s
*4 General Count
ry
specification models
Since inspection and adjustment of the idle
speed and idle mixture differ depending on the
vehicle model or specifications, these are
included in this manual .
For inspection and adjustment methods for items
not included in the following table, see the
repair manuals for engines equipped with those
items .
*5 European specification models ( models w/o TWC or
OC )
*6 Lean mixture senso r
171