4892-01
The percentage for gradient as below:
ex)
* 1G = 9.8 m/s : acceleration
In other words, the gradient of 10% means that a road has 10 m of width and 1 m of
altitude from level ground.
(2) HDC (Hill Descent Control) System Non-Operation Conditions
The HDC stops its operation when any of conditions below occurs:
When HDC switch is turned OFF
Gearshift lever has passed neutral (N) position.
Vehicle with automatic transmission: Sensing at the selector lever unit
When the vehicle speed is out of the specified values. (Below 7 km/h )
When the ESP related functions, e.g. vehicle position control, HBA, ARP is activated during
HDC operation.
a steep hill with HDC operated.
There is no specific temperature sensor in the system, but a programmed logic inside the
HECU predicts the temperature based on the operating numbers and conditions of HDC.
When the slope level is below 10%
a.
b.
c.
d.
e.
f.
even where the HDC warning lamp blinks.
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