Hyundai Santa Fe: DC DC converter / Description and operation
Due to the considerably more frequent occurrence of starting operations, the
electrical load that occurs often leads to voltage dips in the vehicle network.In
order to stabilize the power supply for certain voltage-sensitive electrical
components, a DC/DC converter is used in conjunction with the ISG function.The
DC DC converter supplies the relay with a voltage that also remains constant
during the starting operation.
The DC/DC converter is fitted at the behind of the glove box.Via the test leads
for input voltage and the start relay , the electronics decide whether the power
is supplied to the output via the bypass or the DC/DC converter.In the bypass
mode, the on-board supply voltage is not fed across the DC/DC converter, rather
is transferred directly to the outputs. In the booster phase, the vehicle voltage
is adapted.

Other information:
System malfunction
When Forward Collision-Avoidance Assist is not working properly, the ‘Check Forward
Safety system(s)’ warning message will appear, and the
and
warning lights
will illuminate on the cluster. We recommend that the system be inspected by an
authorized HYUNDAI dealer...
When pressing the () portion (1)
on the switch, all vehicle doors will lock.
If any door is opened, the doors will not lock even though the lock
button (1) of the central door lock switch is pressed.
If the smart key is in the vehicle and any door is opened, the doors
will not lock even though the lock button (1) of the central door lock switch
is pressed...
Categories
Speedometer
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The speedometer indicates the speed of the vehicle and is calibrated in miles
per hour (MPH) and/or kilometers per hour (km/h).
Tachometer
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