Hyundai Accent (HC): Smart Key System / Smart Key Unit

- Components

Connector Pin Information
NoConnector AConnector BConnector C
1-IGN 2 Relay outputBattery (+)
2SSB Switch 1 inputP CAN Low-
3Driver outside handle switch inputP CAN HighImmobilizer antenna power output
4-B CAN HighOutside handle antenna driver power output
5-B CAN LowOutside handle antenna assist power output
6-SSB Illumination (amber) outputBumper antenna power output
7RPM input-Interior antenna 1 power output
8Start feedback inputSSB Illumination (+) outputInterior antenna 2 power output
9IGN 2ESCL Enable outputInterior antenna 3 power output
10-Battery (+) power-
11Starter relay outputIGN 1 Relay output-
12Power1 groundESCL COM-
13SSB Switch 2 inputEMS COMESCL (-) Output
14Assist outside handle switch input-Immobilzer antenna ground output
15-SSB Illumination (-)outputOutside handle antenna drvier ground output
16P Position input / Clutch switch inputSSB Illumination (Blue) output
SSB Illumination (Red) output
Outside handle antenna assist ground output
17ESCL Unlock switch input-Bumper antenna ground output
18Wheel speed sensor inputExterior buzzer outputInterior antenna 1 groud output
19ACC input-Interior antenna 2 groud output
20IGN 2ESCL (+) outputInterior antenna 3 groud output
21Brake switch input-
22ACC Relay outputGround power 2

- Circuit Diagram

- Removal Smart Key Unit

1.Disconnect the negative (-) battery terminal.

2.Remove the glove box.(Refer to Body - "Glove Box Housing")

3.Remove the smart key unit (A) after loosening the nuts and disconnecting the connectors (B).

Interior 1 Antenna

1.Disconnect the negative (-) battery terminal.

2.Remove the glove box upper cover.(Refer to Body - "Glove Box Upper Cover Assembly")

3.Remove the interior 1 antenna (A) after loosening the mounting screws (2EA) and disconnecting the connector (B).

Interior 2 Antenna

1.Disconnect the negative (-) battery terminal.

2.Remove the console rear complete assembly.(Refer to Body - "Floor Console Assembly")

3.Remove the interior 2 antenna (A) after loosening the mounting screws (2EA) and disconnecting the connector (B).

Interior 3 Antenna

1.Disconnect the negative (-) battery terminal.

2.Remove the rear transvers trim.(Refer to Body - "Trunk Trim")

3.Remove the interior 3 antenna (A) after loosening the mounting nuts(2EA) and disconnecting the connector (B).

Exterior Bumper Antenna

1.Disconnect the negative (-) battery terminal.

2.Remove the rear bumper cover.(Refer to Body - "Rear Bumper Cover")

3.Remove the exterior bumper antenna (A) after loosening the mounting nuts and disconnecting the antenna connector (B).

Buzzer

1.Disconnect the negative (-) battery terminal.

2.Remove the front bumper cover.(Refer to Body - "Front Bumper Cover")

3.Remove the buzzer (A) after disconnecting the connector (B).

Door Outside Handle

1.Disconnect the negative (-) battery terminal.

2.Remove the front door trim.(Refer to Body - "Front Door Trim")

3.Disconnect the front door outside handle connector (A) and then remove the wiring mounting clip (B).

4.Remove the door outside handle cover (A) after seperating the plug hole from the door and loosening the mounting bolt.

5.Remove the outside handle (A) by sliding it rearward.

- 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"Door Outside Handle

1.Disconnect the front door outside handle connector (A).

2.Check for continuity between terminals No 2 and No 4.

NoDescription
1Door antenna 1
2Door lock/unlock button 1
3Door antenna 2
4Door lock/unlock button 2

- 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.

Interior 1 Antenna

1.Install the interior 1 antenna.

2.Install the crash pad center fascia panel.

3.Install the negative (-) battery terminal and check the smart key system.

Interior 2 Antenna

1.Install the interior 2 antenna.

2.Install the console rear complete assembly.

3.Install the negative (-) battery terminal and check the smart key system.

Interior 3 Antenna

1.Install the interior 3 antenna.

2.Install the rear transvers trim.

3.Install the negative (-) battery terminal and check the smart key system.

Exterior Bumper Antenna

1.Install the exterior bumper antenna.

2.Install the rear bumper cover.

3.Install the negative (-) battery terminal and check the smart key system.

Buzzer

1.Install the buzzer.

2.Install the front left wheel guide.

3.Install the negative (-) battery terminal and check the smart key system.

Door Outside Handle

1.Install the outside handle.

2.Install the door trim.

3.Install the negative (-) battery terminal and check the smart key system.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Repair procedures

- Removal     • Put on gloves to protect your hands.     • Use seat covers to avoid damaging any surfaces. 1.Remove the roof garnish.(Refer to Body Side Molding - "Roof Garnish") 2.Remove the rear pillar trim. (Refer to Interior Trim - "Rear Pillar Trim") 3.Spread the WD - 40 on the side of rear window glass.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications

- Specifications ItemSpecification Clutch operation methodHydraulic type Clutch cover assemblyTypeDiaphragm spring strap Clutch discTypeSingle dry with diaphragm Facing diameter(Outer × inner)Ø210 ± 1 × Ø145 ± 1(Ø8.2677 ± 0.0394 × Ø5.7087 ± 0.0394) - Service Standard ItemSpecification Clutch disc thickness [When free]8.3 ± 0.

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