Smart key system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis.
The following three features will be major problem in SMART KEY system.
Problem in SMART KEY unit input.
Problem in SMART KEY unit.
Problem in SMART KEY unit output.
The following three diagnostic solutions will be the main solution process to a majority of concerns.
SMART KEY unit Input problem : switch diagnosis
SMART KEY unit problem : communication diagnosis
SMART KEY unit Output problem : antenna and switch output diagnosis
Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.
Select the vehicle model and then SMART KEY system.
Select the "SMART KEY unit".
After IG ON, select the "Current data".
You can see the situation of each switch on scanner after connecting 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/Tailgate switch | ON : Trunk/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. |
Push Knob switch | ON : Push knob switch is ON. |
External Buzzer | ON : Buzzer is ON. |
Communication diagnosis checks that the each linked components operates normal.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
After IG ON, select the "DTC".
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
After IG ON, select the "ACTUATION TEST".
Set the smart key near the related antenna and operate it with a GDS.
If the LED of smart key is blinking, the smart key is normal.
If the LED of smart key is not blinking, check the voltage of smart key battery.
Antenna actuation
INTERIOR Antenna 1
INTERIOR Antenna 2
Trunk/Tailgate antenna
BUMPER/Antenna
DRV_DR Antenna
AST_DR Antenna
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
Select the "Antenna Status Check".
After IG ON, select the "Antenna Status Check".
Set the smart key near the related antenna and operate it with a GDS.
If the smart key runs normal , the related antenna, smart key(transmission, reception) and exterior receiver are normal.
Antenna status
INTERIOR Antenna 1
INTERIOR Antenna 2
Trunk/Tailgate antenna
BUMPER/Antenna
DRV_DR Antenna
AST_DR Antenna
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
Select the "Serial Communication Line Check".
After IG ON, select the "Receiver Communication Line Check".
Check the serial communication line with a GDS.
If the smart key runs normal, the communication of smart key unit, exterior receiver are normal.
If the smart key runs abnormal, check the following items.
Disconnection or no response of the exterior receiver communication line.
The exterior receiver communication line disconnection and ground connection.
Set the smart key in the following shade area and check the IG ON.
If the ignition is ON, the antenna runs normal.
Check the interior antenna ignition mode.
Set the smart key in the following shade area and actuate the antenna. Check the LED of smart key is blinking.
If the LED of smart key is not blinking, check the antenna in shade area.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
After IG ON, select the "FOB KEY STATUS INFO".
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
After IG ON, select the "SMK STATUS INFO".
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
After IG ON, select the "Neutralization mode".
No | Item name | Unit |
1 | SSB switch2 | - |
2 | ACC | - |
3 | IGN1 | - |
4 | Gear 'P' Position | - |
5 | Brake switch | - |
6 | FL Door Lock Button | - |
7 | FR Door Lock Button | - |
8 | Trunk/Tailgate Lid switch | - |
9 | Battery Voltage | - |
10 | Alternator Voltage | - |
11 | KEY out Indicator Lamp | - |
12 | Immobilizer Lamp | - |
13 | External Buzzer | - |
No. | Item name | Condition |
1 | Immo.indicator Lamp | Ignition switch ON Engine off |
2 | External Buzzer | Ignition switch ON Engine off |
3 | Interior Antenna 1 Active | Ignition switch ON Engine off |
4 | Interior Antenna 2 Active | Ignition switch ON Engine off |
5 | Trunk/Tailgate Antenna Active | Ignition switch ON Engine off |
6 | Bumper 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 |