Repair Procedures: Inspection

1. Fuse inspection 

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

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2. 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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3. 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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   [Stop signal electronic module] 

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   [ABS/VDC control module] 

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4. 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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[Stop signal electronic module input/output] 

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[Oscilloscope waveform screen] 

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