Kia Rio YB Quiz
Body Electrical System

Smart Key Unit

In this manual: Body Electrical System
General Information — 8Maintenance — 31Engine Mechanical System — 44Engine Electrical System — 14Emission Control System — 9Engine Control System/Fuel System — 30Clutch System — 10Manual Transmission — 10Automatic Transmission — 23Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 14Brake System — 22Body (Interior and Exterior) — 115Body Electrical System — 84Heating, Ventilation, and Air Conditioning — 28
55steps
~330min
5/5difficulty
Done 0 of 55

Components and Component Location

Components

Connector Pin Information

No. Connector A Connector B Connector C
1 - IGN2 Relay Output Battery (+) Signal
2 SSB Switch1 signal_input P-CAN (Low) -
3 driver's outside door handle switch_input P-CAN (High) Immobilizer antenna (power)_output
4 - C-CAN (High) Driver's outside handle antenna (power)_output
5 - C-CAN (Low) Passenger's outside handle antenna (power)_output
6 - SSB amber illumination_output Bumper antenna (power)_output
7 RPM Signal_input - Internal antenna 1 (power)_output
8 Start Signal Feedback_Input SSB (+) Illumination_Output Interior antenna 2 (power) output
9 IGN2 ESCL Enable_output Interior antenna 3 (power) output
10 - Battery (+) Power -
11 Starter Relay Output IGN1 Relay Output -
12 Ground_Power1 ESCL (COM) -
13 SSB Switch2 signal_input Ground (COM) ESCL_Ground (-)_output
14 Auxiliary door handle outside switch input - Immobilizer antenna (ground) output
15 - SSB illumination (-) output Driver outside handle antenna (ground) output
16 AT: "P" Position input
MT: Clutch switch input		 SSB illumination (blue) output
SSB illumination (red) output		 Passenger outside handle antenna (ground) output
17 ESCL unlock switch_input - Bumper antenna (ground) output
18 Wheel Speed Sensor_Input External Buzzer_Output Interior antenna 1 (ground) output
19 ACC Signal_input - Interior antenna 2 (ground) output
20 IGN1 ESCL (+)_Output Interior antenna 3 (ground) output
21 Brake Switch_Input -
22 ACC Relay_output Ground_Power2

Circuit Diagrams

Wiring Diagram

Repair Procedures

Removal

Smart Key Unit

  1. Disconnect the negative (-) battery terminal.

  2. Remove the glove box.

    (See Body - Glove Box)

  3. Disconnect the connectors (A), then remove the smart key unit (B).

  4. Remove the smart key unit (A) after loosening the nuts.

Interior 1 Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the heater and A/C control unit.

    (Refer to Heating, Ventilation, Air Conditioning - "Heater and A/C Control"). Unit (Manual)

    (Refer to Heating, Ventilation, Air Conditioning - "Heater and A/C Control"). Unit (FATC)

  3. Loosen the mounting screws and disconnect the connector (B), then remove the interior antenna 1 (A).

Interior 2 Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the floor console assembly.

    (Refer to Body - Floor Console Assembly)

  3. Disconnect the interior antenna 2 connector (A).

  4. Loosen the mounting screws, then remove the interior antenna 2 (A).

Trunk Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the rear crossmember trim.

    (Refer to Body - "Rear Crossmember Trim")

  3. Loosen the mounting nuts and disconnect the connector (B), then remove the tailgate antenna (A).

Rear Bumper Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the rear bumper assembly.

    (Refer to Body - "Rear Bumper Assembly")

  3. Loosen the mounting screws and disconnect the connector (B), then remove the rear bumper antenna (A).

Buzzer

  1. Disconnect the negative (-) battery terminal.

  2. Remove the front bumper assembly.

    (Refer to Body - "Front Bumper Assembly")

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

Outside Door Handle

  1. Disconnect the negative (-) battery terminal.

  2. Remove the front door outside handle.

    (Refer to Body - "Front Door Outside Handle")

Liftgate Opener Switch

  1. Disconnect the negative (-) battery terminal.

  2. Remove the rear view camera unit.

    (Refer to Body Electrical System - "Rear View Camera System")

  3. Loosen the mounting screws, then remove the luggage compartment door opener switch assembly (A).

Inspection

Smart Key Unit

(Refer to Smart Key System - Smart Key Diagnosis)

Smart Key Switch

(Refer to Smart Key System - Smart Key Diagnosis)

Antenna

(Refer to Smart Key System - Smart Key Diagnosis)

Outside Door Handle

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

  2. Check the continuity of the circuit between terminals No. 2 and No. 4.

    No. Description
    1 Door Antenna 1
    2 Door Lock/Unlock Switch 1
    3 Door Antenna 2
    4 Door Lock/Unlock Switch 2

Liftgate Opener Switch

  1. Check the continuity between the terminals of the liftgate opener switch.

  2. If continuity is not as specified, inspect the switch.

Installation

Smart Key Unit

  1. Install the smart key unit after connecting the connectors.

  2. Install the glove box.

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

Interior 1 Antenna

  1. Install the interior 1 antenna.

  2. Install the heater and A/C control unit.

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

Interior 2 Antenna

  1. Install the interior 2 antenna.

  2. Install the floor console assembly.

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

Trunk Antenna

  1. Install the antenna to the tailgate.

  2. Install the rear cross trim.

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

Rear Bumper Antenna

  1. Install the rear bumper antenna.

  2. Install the rear bumper assembly.

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

Buzzer

  1. Install the buzzer.

  2. Install the front bumper assembly.

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

Outside Door Handle

  1. Install the front door outside handle.

  2. Connect the negative (-) battery terminal and check the smart key system.

Liftgate Opener Switch

  1. Install the luggage compartment door opener switch assembly.

  2. Install the rear view camera unit.

  3. Install the rear door outside handle assembly.

  4. Connect the luggage compartment door outside handle assembly connector.

  5. Install the liftgate trim.

  6. Connect the negative (-) battery terminal and check the smart key system.

Test yourself

A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.