Hyundai Accent (HC): Smart Key System / Smart Key Diagnostic

- 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.

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.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.

DisplayDescription
FL Toggle SWON : Push button is ON in the driver door handle.
FR Toggle SWON : Push button is ON in the assist door handle.
Tailgate open SWON : Tailgate button is ON.
Gear P PositionON : Shift lever is P position.
IGN 1ON : IGN switch is IG position.
ACCON : IGN switch is ACC position.
Brake SWON : 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'.

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Muffler

- Components 1. Front muffler2. Center muffler & Rear muffler3. Gasket 4. Hanger - Removal and Installation [Front Muffler] 1.Disconnect the battery negative terminal. 2.Disconnect the oxygen sensor connector (A) and then disconnect from bracket. 3.Remove the front muffler (A).Tightening torque :39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications

- Specifications Transaxle typeM6CF1 Engine typeGasoline 1.6 MPI Gear ratio1st3.769 2nd2.045 3rd1.370 4th1.036 5th0.794 6th0.688 Reverse3.700 Final gear ratio4.267 - Tightening Torques ItemsN.mkgf.mlb-ft Oil drain plug58.9 - 78.56.0 - 8.043.4 - 57.8 Oil filler plug58.9 - 78.56.0 - 8.043.4 - 57.8 Shift lever assembly bolt8.8 - 13.

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