W
INSPECTION AND ADJUSTMENT
- Genera
l
INSPECTION AND ADJUSTMEN
T
GENERA
L
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
-
LL
6
a
=i
U
U
W
~
U J
>
W?
w
C1
4
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 a
n
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
To Next Page
Loading...
