Kia Soul: Smart Key Diagnostic Repair procedures - Smart Key System - Body Electrical SystemKia Soul: Smart Key Diagnostic Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / Body Electrical System / Smart Key System / Smart Key Diagnostic Repair procedures

Inspection
Self Diagnosis With GDS
Smart key system defects can be quickly diagnosed with the GDS. GDS quickly operates actuator to monitor input/ouput values and self diagnose.
The followings are the major problems in SMART KEY system.
1.
Problem in SMART KEY unit input.
2.
Problem in SMART KEY unit.
3.
Problem in SMART KEY unit output.
The following three diagnostic solutions will be the main solution process to a majority of concerns.
1.
SMART KEY unit Input problem : switch diagnosis
2.
SMART KEY unit problem : communication diagnosis
3.
SMART KEY unit Output problem : antenna and switch output diagnosis
Switch Diagnosis
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel and turn the power on GDS.
2.
Select the vehicle model and then SMART KEY system.

3.
Select the "SMART KEY unit".
4.
After IG ON, select the "Current data".

5.
This menu shows you the status of each switch on scanner after it''s been connected to the "current data" process.
Display
Description
FL Toggle switch
ON : Push button is ON in the driver door handle.
FR Toggle switch
ON : Push button is ON in the assist door handle.
Trunk switch
ON : Trunk button is ON.
Gear P Position
ON : Shift lever is P position.
IGN 1
ON : IGN switch is IG position.
ACC
ON : IGN switch is ACC position.
Push Knob switch
ON : Push knob switch is ON.
External Buzzer
ON : Buzzer is ON.

Communication Diagnosis With GDS (Self Diagnosis)
1.
Communication diagnosis checks for normal operation in each component.
2.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
3.
After IG ON, select the "DTC".

Antenna Actuation Diagnosis
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
After IG ON, select the "ACTUATION TEST".
3.
Set the smart key near the corresponding antenna and operate it using GDS.

4.
If the LED of smart key is blinking, the smart key is normal.
5.
If the LED of smart key is not blinking, check the voltage of smart key battery.
6.
Antenna actuation
INTERIOR Antenna
Trunk antenna
BUMPER/Antenna
DRV_DR Antenna
AST_DR Antenna
Antenna Status Check
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
Select the "Antenna Status Check".

3.
After IG ON, select the "Antenna Status Check".

4.
Set the smart key near the corresponding antenna and operate it using GDS.

5.
If the smart key operates normally, it means that the corresponding antenna, smart key (transmission & reception) and exterior receiver are also normal.
6.
Antenna status
INTERIOR Antenna
Trunk antenna
BUMPER/Antenna
DRV_DR Antenna
AST_DR Antenna
Serial Communication Status Check
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
Select the "Serial Communication Line Check".

3.
After IGN ON, select the "Receiver Communication Line Check".

4.
Check the serial communication line with a GDS.
5.
If the smart key operates normally, it means that the communication of smart key unit and exterior receiver are also normal.
6.
In case of abnormal operation of smart key, check the following items:
Disconnected or not responding exterior receiver communication line
The exterior receiver communication line disconnection and ground connection.
Interior Antenna Actuation Check
1.
Set the smart key in the following shaded area and check that the IG is ON.

2.
If the ignition is ON, the antenna runs normally.
3.
Check the interior antenna ignition mode.
4.
Set the smart key in the following shaded area and actuate the antenna. Check that the LED of smart key is blinking.

5.
If the LED of smart key is not blinking, check that the antenna is in the shaded area.

FOB Status Check
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
After IGN ON, select the "FOB KEY STATUS INFORMATION".

Smart Key Status Check
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
After IGN ON, select the "SMK STATUS INFORMATION".

Neutralization Status Check
1.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
2.
After IGN ON, select the "Neutralization mode".

Input Signal List
No.
Item name
Unit
1
SSB SW1
-
2
SSB SW2
-
3
ACC
-
4
IGN1
-
5
IGN2
-
6
Gear ''P'' Position (A/T)
Clutch SW (M/T)
-
7
Brake SW
-
8
FL Door Lock Button
-
9
FR Door Lock Button
-
10
Battery Voltage
-
11
Wheel Speed
-
12
RPM
-
13
Stop Lamp Fuse
-
14
Start Feed Back
-

Actuator List
No.
Item name
Condition
1
Immobilizer indicator Lamp (Cluster)
Ignition switch ON
Engine off
2
External Buzzer
Ignition switch ON
Engine off
3
Interior Antenna Active
Ignition switch ON
Engine off
6
Bumper/trunk Antenna Active
Ignition switch ON
Engine off
7
DRV_DR Antenna Active
Ignition switch ON
Engine off
8
AST_DR Antenna Active
Ignition switch ON
Engine off
9
SSB Illumination (OFF/ACC/ON)
Ignition switch ON
Engine off
10
ACC/IGN1/IGN2 Relay
Ignition switch ON
Engine off

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