Hyundai Santa Fe: Emergency Call System / Emergency Call (eCall) Unit. Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Body Electrical System / Emergency Call System / Emergency Call (eCall) Unit. Repair procedures

Removal
  
Replace the eCall unit.
Replace the Back-up Battery (BUB).
Replace the eCall speaker and MIC.
Replace the eCall antenna and Roof antenna.
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad cnter panel.
(Refer to Body - "Crash Pad Center Panel")
3.
Disconnect ecall unit connectors.

4.
Remove the ecall unit after loosening mounting nuts.

Replacement
e-Call Unit Back Up Battery
1.
Disconnect the negative (-) battery terminal.
2.
Remove the eCall Unit.
3.
If it is necessary to replace the back-up battery, remove the back-up battery cover (A).

4.
Replace the back-up battery (A).

Installation
  
If RED LED is on, check the eCall system with the diagnostic tools.
Replace the eCall unit.
Replace the Back-up Battery (BUB).
Replace the eCall speaker and MIC.
Replace the eCall antenna and Roof antenna.
eCall Unit
1.
Install the eCall unit.
2.
Install the crash pad center panel.
3.
Connect the negative (-) battery terminal.
4.
Perform the "eCall Parameter Download"
(Refer to Inspection - " Inspection with Diagnostic Tools")
Inspection
Inspecting Back-Up Battery
Back-up battery (BUB) embedded in the eCall system has a finite lifespan and using it for a long time may decrease its charging/discharging performance.
The back-up battery guarantees the operation of the eCall system when the vehicle battery cannot be used due to an accident. Be sure to inspect the back-up battery if the red LED turns on and replace it if necessary.
  
Refer to the owner's manual for the Back-Up Battery (BUB) replacement cycle.
  
The eCall system is aimed to place an urgent call to the call center during an emergency. Arbitrarily removing or operating the system components may affect the safety of people and may result in false notification of an accident to the emergency call center.
  
The red LED turns on when there is a problem with the eCall system.
If one or more DTCs for the eCall system are issued, check the eCall system(Unit, Button(Built in overhead console), Speaker, Antenna) by diagnostic tools.
Inspection with Diagnostic Tools
In the eCall system, failure can be quickly diagnosed by using the vehicle diagnostic system.
The diagnostic system provides the following information.
1)
Self diagnosis : Checking failure and code number (DTC)
2)
Current data : Checking the system input/output data state
1.
Select the "Car Model" and the "eCall System" to be checked in order to check the vehicle with the tester.
2.
To inquire the cause of trouble for each module by self diagnosis, select 'Diagnostic Trouble Code'.

3.
Select the 'Current Data' menu to check the current state of the input/output data.

eCall System Reset
The eCall System Reset function is to reset when eCall is locked or stopped.
  
The eCall System Reset function may result a faise call to the PSAP (Public Safety Answering point) and it also may cause a malfunction to the system, therefore, the unauthorized use of this function is strictly prohibited.
1.
Turn the ignition switch OFF.
2.
Connect the diagnostic tools.
3.
Turn the ignition switch ON without the engine running.
4.
Select the "Car Model" and "S/W Management".

5.
Select the "eCall System Reset"

6.
Follow the screen instructions to perform the "eCall System Reset".

eCall Parameter Download
eCall Parameter Download is used to change the parameter value of the eCall law in Europe.
1.
Turn the ignition switch OFF.
2.
Connect the diagnostic tools.
3.
Turn the ignition switch ON without the engine running.
4.
Select the "Car Model" and "S/W Management".

5.
Select the "eCall Parameter Download"

6.
Follow the screen instructions to perform the "eCall Parameter Download".

    Emergency Call (eCall) Unit. Components and components location

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    Emergency Call (eCall) Button. Schematic diagrams

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    1. Instrument cluster
    2. Driver’s front air bag
    3. Engine Start/Stop button
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    5. Hazard warning lamp switch
    6. Climate control system
    7. Shift button
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