Kia Picanto JA Quiz
Body Electrical System

Smart Key Unit

In this manual: Body Electrical System
General Information — 8Maintenance — 30Engine Mechanical System — 46Engine Electrical System — 14Emission Control System — 11Engine Control System/Fuel System — 46Clutch System — 12Manual Transmission — 10Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 17Brake System — 22Body (Interior and Exterior) — 104Body Electrical System — 80Heating, Ventilation, and Air Conditioning — 17
50steps
~300min
5/5difficulty
Done 0 of 50

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 -
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 -
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. (Refer to Body - Glove Box)
  3. Disconnect the smart key unit connectors (A).
  4. Remove the smart key unit (A) after loosening the nuts.
  5. Disconnect the negative (-) battery terminal.
  6. Remove the floor console assembly. (Refer to Body – Floor Console Assembly)
  7. Remove the interior antenna 1 (A) after loosening the bolt and nut and disconnecting the connector.
  8. Disconnect the negative (-) battery terminal.
  9. Remove the rear seat cushion assembly. (Refer to Body - Rear Seat Assembly)
  10. Remove the interior antenna 2 (A) after loosening the nuts and disconnecting the connector.
  11. Disconnect the negative (-) battery terminal.
  12. Remove the rear bumper assembly. (Refer to Body - "Rear Bumper Assembly")
  13. Remove the rear bumper antenna (A) after loosening the screws and disconnecting the connector.
  14. Disconnect the negative (-) battery terminal.
  15. Remove the left front wheel guard. (Refer to Body - Front Wheel Guard)
  16. Remove the buzzer (A) after disconnecting the connector.
  17. Disconnect the negative (-) battery terminal.
  18. Remove the front door outside handle. (Refer to Body - Front Door Outside Handle)
  19. Disconnect the negative (-) battery terminal.
  20. Remove the rear door trim panel. (Refer to Body - "Rear Door Trim")
  21. Disconnect the luggage compartment door outside handle connector (A).
  22. Remove the rear door outside handle assembly (A) after loosening the mounting nuts.
  23. Disconnect the connector of the tailgate open switch (A).
  24. Remove the tailgate opening switch (B) after loosening the screws.
Interior 1 Antenna, Interior 2 Antenna, Rear Bumper Antenna, Buzzer, Outside Door Handle, Tailgate Opening Switch

Inspection

Smart Key Unit (Refer to Smart Key System - Smart Key Diagnostics) Smart Key Switch (Refer to Smart Key System - Smart Key Diagnostics) Antenna (Refer to Smart Key System - Smart Key Diagnostics) 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
  3. Check the continuity between the terminals of the liftgate opener switch.
  4. If continuity is not as specified, inspect the switch.
Liftgate Opener 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.
  4. Install the interior 1 antenna.
  5. Install the floor console assembly.
  6. Connect the negative (-) battery terminal and check the smart key system.
  7. Install the interior 2 antenna.
  8. Install the rear seat back assembly.
  9. Connect the negative (-) battery terminal and check the smart key system.
  10. Install the rear bumper antenna.
  11. Install the rear bumper assembly.
  12. Connect the negative (-) battery terminal and check the smart key system.
  13. Install the buzzer.
  14. Install the left front wheel guard.
  15. Connect the negative (-) battery terminal and check the smart key system.
  16. Install the front door outside handle.
  17. Connect the negative (-) battery terminal and check the smart key system.
  18. Install the trunk opening switch after connecting the connector.
  19. Install the rear door outside handle assembly.
  20. Connect the luggage compartment door outside handle assembly connector.
  21. Install the liftgate trim.
  22. Connect the negative (-) battery terminal and check the smart key system.
Interior 1 Antenna, Interior 2 Antenna, Rear Bumper Antenna, Buzzer, Outside Door Handle, Tailgate Opening Switch

Test yourself

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