Hyundai Ioniq: Smart Key System / Specifications

Hyundai Ioniq (AE) 2017-2025 Service Manual / Body Electrical System / Smart Key System / Specifications

Specifications

Smart Key Unit

Items	Specification
Rated voltage	DC 12V
Operating voltage	DC 9 - 16V
Operating temperature	-22°F to 167°F (-30°C to 75°C)
Load	Max. 4mA (When welcome light function off)

RF Receiver

Items	Specification
Frequency	433.92 Mhz
Antenna type	FSK (Frequency Shift Keying)

Smart Key Fob

Items

Specification

Battery

Lithium battery 3V 1EA

Distance

30m from vehicle, RF : 30m, Passive(LF) : 0.7m

Battery life

More than 2 years (10 times / a day)

•	An inappropriately disposed battery can be harmful to the environment and human health.

•	Dispose the battery according to your local law(s) or regulation.

Push buttons

3 (Door lock / unlock, Trunk)

Frequency(Rx)

125 kHz

Frequency(Tx)

433.92 MHz

Numbers

2EA

Antenna

Items	Specification
Rated voltage	DC 12V
Operating voltage	DC 9 - 16V
Operating temperature	-22°F to 167°F (-30°C to 75°C)
Frequency	125kHz
Numbers	Interior(2EA), Door(2EA), Bumper(1EA), Trunk(1EA)

Smart Key System

Components and components location

Component Location (1)1. Smart key unit (SMK)2. Interior antenna 23. Door outside handle4. Interior antenna 15. BuzzerComponent Location (2)1. Trunk open switch2...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Components and components location

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Hyundai Ioniq (AE) 2017-2025 Service Manual: HCU (Hybrid Control Unit). Repair procedures

Removal • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...