Hyundai i-30: Smart Key System / Smart Key Diagnostic

Hyundai i30 (PD) 2018-2024 Service Manual / Body Electrical System / Smart Key System / Smart Key Diagnostic

Repair procedures
Inspection
Self Diagnosis With Scan Tool
It will be able to diagnose defects of SMART KEY system with Diagnostic tool quickly. Diagnostic tool can operates actuator forcefully, input/output value monitoring and self diagnosis.
The following three features will be major problem in SMART KEY system.
1.
Problem in SMART KEY unit input.
2.
Problem in SMART KEY unit.
3.
Problem in SMART KEY unit output.
So the following three diagnosis operates will be the major problem solution process.
4.
SMART KEY unit Input problem : switch diagnosis
5.
SMART KEY unit problem : communication diagnosis
6.
SMART KEY unit Output problem : antenna and switch output diagnosis
Switch Diagnosis
1.
In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).
The diagnostic system(Diagnostic tool) provides the following information.
(1)
Fault Code Searching : Checking failure and code number (DTC)
(2)
Data Analysis : Checking the system input/output data state
(3)
Actuation test : Checking the system operation condition
(4)
S/W Management : Controlling other features including system option setting and zero point adjustment
2.
If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle".

3.
If check current status, select the "Data Analysis" and "Car model".

4.
Select the SMK' to be checked in order to check the vehicle with the tester.

5.
You can see the situation of each switch on scanner after connecting the "current data" process.
Display
Description
FL Toggle SW
ON : Push button is ON in the driver door handle.
FR Toggle SW
ON : Push button is ON in the assist door handle.
Tailgate open SW
ON : Tailgate 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.
Brake SW
ON : Brake switch is ON.

Fault Code Searching
1.
Fault code searching that the each linked components operates normal.
2.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
3.
Select the 'Fault Code Searching' and 'Car model'.

Antenna Actuation Diagnosis
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
2.
Select the 'Actuation Test' and 'Car model'.

3.
Set the smart key near the related antenna and operate it with a Diagnostic tool.

4.
Set the smart key near the related antenna and operate it with a Diagnostic tool.
5.
If the LED of smart key is blinking, the smart key is normal.
6.
If the LED of smart key is not blinking, check the voltage of smart key battery.
7.
Antenna actuation
Interior Antenna 1
Interior Antenna 2
Bumper Antenna
Driver Door Antenna
Assist Door Antenna
Antenna Status Check
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
2.
Select the 'S/W Management' and 'Car model'.

3.
Select the 'Smart Key Unit' and 'Antenna Status Check'.

4.
Set the smart key near the related antenna and operate it with a Diagnostic tool.

5.
If the smart key runs normal , the related antenna, smart key (transmission, reception) and exterior receiver are normal.
6.
Antenna status
Interior Antenna 1
Interior Antenna 2
Bumper Antenna
Driver Door Antenna
Assist Door Antenna
FOB Status Check
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
2.
Select the 'S/W Management' and 'Car model'.

3.
Select the 'Smart Key Unit' and 'FOB KEY STATUS IMFORMATION'.

Smart Key Status Check
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
2.
Select the 'S/W Management' and 'Car model'.

3.
Select the 'Smart Key Unit' and 'SMK STATUS INFORMATION'.

Neutralization Status Check
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel.
2.
Select the 'S/W Management' and 'Car model'.

3.
Select the 'Smart Key Unit' and 'Neutralization Mode'.

    Smart Key Unit

    Components and components location Components No Connector A Connector B Connector C 1 - IGN 2 Relay output Battery signal 2 SSB Switch 1 input C CAN (Low) - 3 Driver door antenna switch input C CAN (High) Immoblizer antenna power 4 - B CAN (High) Driver out side handle antenna power 5 - B CAN (Low) Assist out side handle antenna power 6 - SSB Illumination (orange) Bumper antenna power 7 RPM Input - Interior antenna 1 power 8 Start signal feedback input SSB Illumination (+) output Interior antenna 2 power 9 clutch switch input ESCL enable output Interior antenna 3 power 10 - Battery power - 11 Starter relay output IGN 1 Relay output - 12 Power 1 ESCL COM - 13 SSB Switch 2 input EMS COM ESCL (-) output 14 Assist door antenna switch input - Immoblizer antenna ground 15 - SSB Illumination (-) output Driver out side handle antenna ground 16 Clutch switch input SSB LED Output Assist out side handle antenna ground 17 ESCL unlock swtich input SSB LED IGN Output Bumper antenna ground 18 Wheel speed sensor input External buzzer Interior antenna 1 ground 19 ACC Input - Interior antenna 2 ground 20 IGN 1 ESCL (+) output Interior antenna 3 ground 21 Brake switch input - 22 ACC Relay input GND Power 2 Schematic diagrams Circuit Diagram Repair procedures Removal Smart Key Unit 1...

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    ..

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