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Toyota COMPUTER-CONTROLLED SYSTEM - Page 168

Toyota COMPUTER-CONTROLLED SYSTEM
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n
CHECKING AND CLEARING DIAGNOSTIC CODE
S
CHEC
K
ENGINE
~
CHECK ~ ~
~
1 se
c
O
n
Of
f
0
.5 sec 1
.5 se
c
Star
t
4
.5 sec 2
.5
4
.5 se
c
,
~
~lnsec
~
~
Off
OI I2'eC
u u Repea
t
Code 12 Code 3
1
One cycl
e
SST
160
(d) Read the diagnostic code as indicated by the
number of
flashes of
the "CHECK
ENGINE" lamp
.
DIAGNOSTIC CODE
S
(1) Normal code indicatio
n
• The lamp will alternately blink on and off 2
times per second
.
(
2) Malfunction code indicatio
n
As an example, the blinking pa
tt
erns for codes 12
and 31 are as shown in the illustration at left
.
• The
lamp will blink the number of times equal
to the malfunction code
.
It will go off for
a longer period as follows
:
ri
Once between the first and second digit of
the same code, 1
.5 seconds
.
`2) Once between one code and the next
code, 2.5 seconds
.
3i Once between all malfunction codes, 4
.5
seconds
.
NOTE
:
• The diagnostic code series will be repeated a
s
long as check connector terminals T or TE1 and
E1 are connected
.
• In the event of a number of malfunction codes,
indication will begin from the small value and
continue in order to the larger value (s)
.
• When the automatic transmission is in the "D",
"2", "L"
or "R" range, or when the air condi-
tioner is on, or when the accelerator pedal is
depressed, code "51" (switch condition signal)
will be output, but this is normal
.
(
e
)
After the diagnostic code check, remove the SST
from the check connector or the TDCL
.
SST 09843-18020

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