Hyundai Sonata 1991 Shop Manual page 174

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AUTOMATIC SPEED CONTROL (CRUISE)
Battery
L
J
ELC 4 AIT control unit
J
- - - - - -
ASC system
Tr'
ECU (for ASC)
In operation
OFF
f
Not in
ON
.-
I
operation
,
4-
,
I
T
---------,
6
t
I
IGN SW
I
Accelerator
I
,
switch
1
Brake
I
I
I
SW.
ASC ON I
~
I
- I
~
I
I
~
Trl
(Depressed: OFF)
ASC OFF
I
,
---
I
I
- - -
----,
I
1-
______ -l
,
,
11. OVERDRIVE-CANCEL FUNCTION (Vehicles with an automatic transaxle)
vmSOA
When, during fixed-speed driving, the actual vehicle speed decreases to (or below) a speed which is a certain
fixed value below the memorized vehicle speed, and the actual vehicle speed continues at that reduced speed,
or during the resume operation described in item 3 or the acceleration operation described in item 4, etc., it
becomes necessary to return to the vehicle speed for a short time and to accelerate, the overdrive function
of ELC 4 A/T-equipped models is canceled for a certain time.
Overdrive signal
Trl
Tr2
ON
OFF
ON
OFF
ON
OFF
1
ECU (for ASC)
..,
- - - - - _.
- - -
--I
.:.. Battery
Microcomputer
0
T
-<::r
- - - - - - - - ,
Ignition switch
IG2
I
I
I
overdriVe()
~
Cluster
I
-.;
I
switch
I~I
I
I
Trt"'~T
~'§~
00 ON
I
~
-----.r-
r
Tr2
-t
(Rheostat)
I
I
00 OFF
,
I
~ - -
- ---; ELC 4 AIT
-
-
--
---'
I
r .
-
-
L
____ -.-J
control unil
27-55

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