Toyota 4A-F, Руководство по ремонту

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Oxygen Sensor (wI TWC)
INSPECTION OF OXYGEN SENSOR
1. WARM UP ENGINE
fl-10l
Allow the engine
10
r e
.
c
h
normal operating temperature.
2. INSPECT fEEDBACK VOLTAGE (VF)
Connect the positive
r�
probe of a vollmeler t o
terminal
VF
of the check
connector.
and negative
lEt
probe to ter­
m
i
nal E l . Perform
the
test as follow,:
Warm
up
lhe o�vgen sensor wilh thll engine
el
<Pm
lor eppto�.
90
seconds.
T
.nd
£1 of
1M check connector.
AlId
m
ai
n
t
a
i
n
engine splHld .1 2.5oo .pm
Le$$
Ih.n 8 time.
8 tomes
or mo
r
e
up th . "
oxygen
$fIflSO' wittl lh, �in
• • 1
IflnI
lor
appmx. 90 seconds.
And
maintain engine al
2.500 rom
Nomlill
Check the number 01 lime. the vol\melet needle
Le$S
than 8 limes
�fT'llnllb
T
and
£1 01
the check connector.
And rminlain
e
n
g
oo
e speed
81
2.500 rpm
Mlas",e voltage I)olween le<m;nlll$ \iF and EI
Mewe Ih ....
Q
II
Norrml code
and
code
21
c
o
d e lll
(h. c
o
d
e
21)
R�ir the relovant diagnostic: code
t(lNlINUEO ON
PA.GE
FI·I 02
,�,