Digitax F3 Plus - Diagnostic Self-Test; Entering the Self-Test Mode; Understanding the Check Sum

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t
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osticSel
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rocedureitis
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taIntegrity,th
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CCheckSum
i
u
tfromthech
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c
g
rammingtrou
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ing,theCRC16
r
iptheTaxime
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6
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6CheckSumc
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sacheckvalu
e
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ontainsthech
e
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(
o
rHireposition.
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sK1keyandstr
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p
layswillshowin
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er, if connecte
d
outallthetaxi
m
t
er, if connecte
d
outallthetaxi
m
e
wsecondsthe
m
r
responding to
m
ed parameters
,
checksum.
n
darydisplaywil
l
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ant"K"andthe
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are property of DI
G
f‐Test(C
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ossibleto:
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riffschecksu
m
a
riffprogram.
H
e
TariffDatais
i
sthereforecal
e
cksumareth
e
c
tionisactivat
e
g
hPCorSmart
CheckSumwil
t
errecalculate
to locksthe m
untilreprogra
m
tethechecks
u
t
ogetherK1+
K
anumberbet
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lculationinth
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R
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C
e
thatcanbeu
s
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cksumobtain
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(
hexadecimal). 
i
keK4.
sequencethen
u
d
 to the taximet
e
m
etersetup.
d
 to the taximet
e
m
etersetup.
m
aindisplaywill
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the binary a
d
,
sothateachta
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ITAX Automotive
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heckSu
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owtoente
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h
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culatedfrom t
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e
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e
e
d:
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a
lbedifferentf
r
theChecksum
etershowing
m
med.
u
mmanually,I
E
4,toverifytha
t
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een0and65
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LGORITH
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e
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ex:0x1021
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in:10000001
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ec:4129
R
egisterInitis
C
HECK=Hex:
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edasaweakv
e
dwhentheA
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eCheckS
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iththeRightT
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15