72
“CRUISE CONTROL” AND
“OVERSPEED LIMITER” SYSTEMS
“Cruise control” system (CC) is intended for automatic main-
tenance of the programmed speed of the motor vehicle without
pressing the accelerator pedal.
“Overspeed limiter” system (OSL) is intended for automatic
limitation of the permissible vehicle speed set by the driver.
The CC and OSL systems include the following devices:
– electronic engine control unit (ECU). Includes CC and OSL
function algorithm to control engine torque;
– instrument cluster (IC). Shows the current of CC and OSL
functions;
– steering system keys unit (Fig. 3.17). It is intended for CC
and OSL functions control;
Steering system keys unit
CC and OSL functions are controlled with the following keys
(Fig. 3.18):
1 key — “Cruise control” function selection;
2 key — “Overspeed limiter” function selection;
3 key “Set +” — activation of the selected function, increase of
the set speed (for CC), increase of the speed threshold (for OSL);
4 key “Set -” — activation of the selected function, decrease of
the set speed (for CC), decrease of the speed threshold (for OSL);
Fig. 3.18. Steering system keys unit of CC and OSL
(for names of items, see the relevant text)
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