Hyundai Tucson: Operation for each function of button starting
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Button Engine Start System / Operation for each function of button starting
- Electric power ON / Ignition ON
- The electric power state changes within the range of OFF ->ACC->IGN->OFF by pressing the button without stepping on the brake (Or with stepping on the brake) inside the car with FOB key (However. When the gear is not in P. the power repeatedly changes between ACC and IGN. Converting to OFF is impossible.)
- The ignition is on when the button is pressed with stepping on the brake at P/N position with FOB key.
- Electric power OFF/ Ignition OFF
- The ignition OFF is possible in the state of vehicle stop. (The ignition OFF state is possible regardless of the ATM lever position.)
- The lever shall be shifted for parking in gear N by pressing the ATM lever release button after electric power off in P.
- How to off the ignition forcibly and to restart during driving
- I t is a method of forcibly turning off ignition in case of fuel leakage
when the vehicle is overturned or of emergency (e.g.
failure in accelerator pedal return)
- The engine is off and returned to the ACC state when the button is pressed for 2 seconds and more than 3 times successively within 3 seconds during driving. The restarting is available for next 30 seconds regardless of FOB key and the electric power is changed through OFF -> ACC->IGN-"OFF by pressing the button without stepping on the brake (or with stepping on the brake) inside the car with FOB key. (However, when it is not in P position. ACC<->IGN is repeated. The conversion to OFF is impossible.)
- State of start button indicator (LED) ON depending on the electric power state.
- Electric power OFF : LED OFF
- Electric power ACC state : Yellow LED ON
- Electric power ON : Blue LED ON
- During cranking : Maintaining the previous LED ON state before cranking
- Starting ON state : LED OFF
System Main Function
- Switching of ACC / IGN1 / IGN2 terminals.
- Control of the STARTER relay BAT line (high side) based on communication with EMS ECU.
- Management of the Immobilizer function.
- Management of BES warning function.
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IBU (Integrated Body Control Unit (IBU)
The IBU manages all function related to :
-"Start Stop Button (SSB) monitoring",
"Immobilizer communication" (with Engine Management System unit for
immobilizer release)
Authentication server" (Validity of Tran
Start/Stop Button (SSB)
A single stage push button is used for the driver to operate the vehicle.
Pressing this button allows:
To activate the power modes ' O f f . 'Accessory', 'Ignition' and
'Start' by switching the corresponding t
Wireless Power Charger System
Description and
Operation
Wireless Power Charger System
During ACC or IG ON, battery voltage is supplied to the wireless power
charger system to transmit an output of 5 W to mobile
phone.
Mobile phones certified with the wireless charging st
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Front seats
WARNING
Take the following precautions when
adjusting your seat:
NEVER attempt to adjust the seat
while the vehicle is moving. The seat
could respond with unexpected
movement and may cause loss
of vehicle control resulting in an
accid
Rear seats
Seatback angle
To recline the seatback:
Pull up the seatback recline lever.
Hold the lever and adjust the seatback
of the seat to the position you desire.
Release the lever and make sure the
seatback is locked in place. (The leve
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
