Hyundai Santa Fe (TM): Smart Key System / Smart Key Unit. Repair procedures

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Body Electrical System / Smart Key System / Smart Key Unit. Repair procedures

Removal
Integrated Body Control Unit (IBU)
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box.
(Refer ti Body - "Glove Box")
3.
Remove the smart key unit (B) after loosening the mounting bolts(2EA) and disconnecting the connector (A).
Inspection
Smart Key Unit
(Refer to Smart Key System - "Smart Key Diagnostic")
Smart Key Switch
(Refer to Smart Key System - "Smart Key Diagnostic")
Antenna
(Refer to Smart Key System - "Smart Key Diagnostic")
Installation
Smart Key Unit
1.
Install the smart key unit.
2.
Install the smart key unit mounting bolts and connect the connector.
3.
Install the driver side crash pad lower panel.
4.
Install the negative (-) battery terminal and check the smart key system.

    Circuit Diagram

    Inspection Self Diagnosis With Scan Tool It will be able to diagnose defects of SMART KEY system with diagnostic tool quickly. diagnostic tool can operates actuator forcefully, input/output value monitoring and self diagnosis.

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    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Mode Control Actuator. Components and components location

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Troubleshooting

    Troubleshooting    1) After replacing controller, always check that the system operates properly. 2) If the failure persists after replacing the controller, do not replace th

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