Repair Procedures: Inspection

WARNING: This page is about a different car, the 2022 Genesis G90. However, it is still accessible from the selected car via links, so may be relevant.

Fuse Inspection
Mount the test fuse to the switch fuse and relay fuse part to confirm a normal joint fit.

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GDS Data Analysis
1. Analyze GDS data and check if there is anything wrong with the stop lamp switch.
  1. Connect the GDS to the self-diagnosis connector.
  2. Turn the spark switch on
  3. Step on the brake pedal.
  4. Inspect the "brake switch" category that displays the "sensor data" GDS.
  Normal waveform: The pressure sensor signal value will change according to the brake ON/OFF switch.
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Connection Inspection by Part
Check to see whether or not each connector has been damaged, or terminal surge, or incomplete connection has taken place

[Engine Room Junction Box]

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[ESP Control Module]

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Inspect the Stop Lamp Circuit
Connect a probe to each terminal wire and confirm oscilloscope waveform.

[Stop Lamp Switch Input/Output]

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[Oscilloscope Waveform Screen]

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