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U.S. Patent
Sep.28, 1999
(- DOOR
94 SENSORS
Sheet 3 of7
HVAC
SENSORS
5,957,986
PARKING
q
BRAKE SENSORS 98
\
COOLANT
96
F|G.3
LEVEL ‘W
SENSOR 10o
A/D
__ Vg?’?g w
/OONvERTERS
SENSOR 102
106
TLIRN
SIGNALS w
104
110w
TO DATA
F LOGGING UNIT
903
:
DISPLAY
KEYPAD
DEVICE
“92
82
MEMORY
8O
J
ROM
F
~
‘
‘E
38
‘
CPU
‘
PORT
EEPFKDMw
86
“
INTERFAOE 84
k
/
40
2
108
"
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