Hyundai Ioniq (AE): Smart Key System / Smart Key Unit. Components and components location

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Body Electrical System / Smart Key System / Smart Key Unit. Components and components location

Components (1)

No
Connector A
Connector B
Connector C
1
Battery (+)_LOAD
IGN2 Relay output
Immobilizer antenna power input
2
Battery (+)_CPU
IGN1 Relay output
Wheel speed signal input
3
Antenna ground (Internal1)
-
SSB Switch1 signal input
4
-
-
-
5
Antenna ground (Internal2)
B-CAN (Low)
ESCL Unlock switch signal input
6
Antenna ground (Assist)
EMS CAN
P Position switch signal input
7
Antenna ground (Trunk)
B-CAN (High)
Brake switch signal input
8
Antenna ground (Driver)
B-CAN (Low)
Ignition 2 signal input
9
-
P-CAN (Low)
Ignition 1 signal input
10
SSB Illumination power (Output)
P-CAN (High)
Starter relay output
11
External buzzer output
-
Immoblizer antenna ground
12
ESCL Power output
ACC Relay output
RPM Signal input
13
-
-
SSB Switch2 signal input
14
Antenna power (Internal1)
Signal ground
Driver toggle button switch signal input
15
-
-
Assiste toggle button switch signal input
16
Antenna power (Internal2)
SSB ACC LED Output
Starter relay feedback signal input
17
Antenna power (Assist)
SSB IGN LED Output
　Stop lamp fuse signal input
18
Antenna power (Trunk)
-
ACC Signal input
19
Antenna power (Driver)
-
-
20
-
SSB Illumination ground
Power ground
21
ESCL Enable output
-

22
ESCL Ground output
Wireless charging module output

    Smart KeySmart Key Code Saving1.Connect the DLC cable of GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on GDS.

    Circuit Diagram

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Heater Unit. Repair procedures

    Replacement    When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

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