Body Electrical System

Smart Key Unit

60steps
~360min
5/5difficulty
Done 0 of 60

Components and Component Location

Components

Connector Pin Information

No. Connector A Connector B Connector C
1 - B-CAN (Low) Front Wiper Low Switch _ Input
2 Mirror Power _ Input B-CAN (High) Ground (Power)
3 P-CAN (Low) PDW-F_Power_Output Battery Charge)
4 P-CAN (High) PDW-R_Power_Output Battery (ECU)
5 - Ground (ECU) Driver Outside Handle Switch _ Input
6 Right mirror unfold_Output PDW Switch_Input Position_Input (A/T variant)
IGN lock switch_Input (M/T variant)
7 Right mirror horizontal_Output PDW (option)_Input Internal antenna 1 (-)_Output
8 Immobilizer power_Output - Bumper Antenna (-)_Output
9 Immobilizer Ground_Output - Internal antenna 2 (-)_Output
10 Brake switch_Input - Auxiliary outside handle antenna (-)_Output
11 ESCL Enable_Output Front wiper high relay_Output Trunk internal antenna 3 (-)_Output
12 Brake switch fuse_Input Rear left seat belt indicator_Output Driver outside handle antenna (-)_Output
13 Fog light switch_Input Auxiliary seat belt indicator_Output -
14 Light switch_Input - COM (ESCL)
15 Front Wiper Volume Switch_Input LF Searching_Output Auto light sensor power_Output
16 PDW switch indicator_Output - ACC_Input
17 SSB ring illumination_Output SSB Switch1_Input IGN1 relay_Output
18 LIN MOD (PDW) PDW_Power_Input ACC Relay_Output
19 - Security indicator_Output ESCL (-)_Output
20 Engine RPM_Input Sunroof status_Input ESCL (+)_Output
21 Wheel speed sensor_Input Rain sensor (option)_Input Auxiliary outside handle switch_Input
22 - Wiper park switch_Input -
23 Right mirror fold_Output Wiper power relay_Output Internal antenna 1 (+)_Output
24 Right mirror vertical_Output Front wiper low relay_Output Bumper Antenna (+)_Output
25 - - Internal antenna 2 (+)_Output
26 Puddle lamp_Output - Auxiliary outside handle antenna (+)_Output
27 Start feedback_Input Rear center seat belt indicator_Output Trunk internal antenna 3 (+)_Output
28 - - Driver outside handle antenna (+)_Output
29 Starter relay_Output SSB symbol illumination (-)_Output COM (EMS)
30 Headlamp High Beam Switch Rear right seat belt indicator_Output Auto light sensor Ground_Output
31 Front Wiper Switch SSB Switch2_Input Auto light sensor signal_Input
32 - ESCL unlock switch_Input IGN1_Input
33 Multifunction switch Ground_Input IGN2_Input
34 External Buzzer_Output IGN2 relay_Output
35 SSB symbol illumination (+)_Output Front washer switch_Input
36 LIN CAN (rain sensor) Battery (+)_ESCL
37 -
38 ATM Solenoid_Output

Circuit Diagrams

Wiring Diagram

Repair Procedures

Removal

Integrated Body Control Unit (BCM)

  1. Disconnect the negative (-) battery terminal.

  2. Remove the glove box housing.

    (Refer to Body - "Glove Box Housing")

  3. Disconnect the blower motor connector (A) after removing the clip (B).

  4. Disconnect the connectors of the integrated body control unit (A).

  5. Remove the integrated body control unit (A) after loosening the nuts and bolt.

  6. Remove the wire harness clip (A) from the integrated body control unit.

Interior 1 Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the floor console assembly.

    (Refer to Body - Floor Console Assembly)

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

Interior 2 Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the floor console assembly.

    (Refer to Body - Floor Console Assembly)

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

Trunk Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the rear crossmember trim.

    (Refer to Body - "Rear Crossmember Trim")

  3. Remove the luggage compartment door antenna (A) after disconnecting the connector and loosening the mounting nuts.

Rear Bumper Antenna

  1. Disconnect the negative (-) battery terminal.

  2. Remove the rear bumper beam assembly.

    (Refer to Body - "Rear Bumper Beam Assembly")

  3. Remove the rear bumper antenna (A) after loosening the mounting screws.

Buzzer

  1. Disconnect the negative (-) battery terminal.

  2. Remove the front wheel guard [LH].

    (Refer to Body - "Front Wheel Guard")

  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 back panel of the tailgate.

    (Refer to Body - "Rear Door Trim Panel")

  3. Disconnect the license plate lamp connectors (A).

  4. Remove the tailgate outside handle assembly (A) after loosening the mounting screws.

  5. Remove the tailgate opening switch (A) after loosening the mounting screws.

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. 3 and No. 6.

    No Description
    1 Door Antenna (+)
    2 Pocket LED Light (+)
    3 Door Lock/Unlock Button
    4 Door Antenna (-)
    5 Pocket LED Light (-)
    6 Door Lock/Unlock Button Switch Ground

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

Integrated Body Control Unit (BCM)

  1. Install the wire harness clip to the integrated body control unit.

  2. Install the integrated body control unit.

  3. Connect the connectors to the integrated body control unit.

  4. Connect the blower motor connector and secure it.

  5. Install the glove box housing.

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

Interior 1 Antenna

  1. Install the inside antenna 1 after connecting the connector.

  2. Install the floor console assembly.

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

Interior 2 Antenna

  1. Install the inside antenna 2 after connecting the connector.

  2. Install the floor console assembly.

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

Trunk Antenna

  1. Install the luggage compartment door antenna after connecting the connector.

  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 after connecting the connector.

  2. Install the rear bumper beam assembly.

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

Buzzer

  1. Install the buzzer after connecting the connector.

  2. Install the front wheel guard [LH].

  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.

  2. Install the rear door outside handle assembly.

  3. Connect the license plate lamp connectors.

  4. Install the rear panel of the rear door.

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

Test yourself

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