Repair Procedures: Inspection

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

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1. Analyze KDS data and check for any abnormality with the stop lamp switch.
   1. Connect the KDS 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" KDS.

      Normal waveform:  The pressure sensor signal value will change according to the brake ON/OFF switch.

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Check for damage, terminal surge or incomplete connection in each connector.

[Engine room junction box] 

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[ABS/VDC control module] 

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Connect probe to each terminal wire and confirm oscilloscope waveform.

[Stop lamp switch input/output] 

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[Oscilloscope waveform screen]