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Home >> Lexus >> 2019 >> UX 250h Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostic Codes & Symptom Tests) >> Power Window Control System >> Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch [10/2018 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2022 - ]

  • If the power window regulator motor assembly (for driver door) has been replaced with a new one, initialize the power window control system.

    Refer to INITIALIZATION [10/2018 - ]

  • Check that power window system customize setting "D Window Auto Up" and "D Window Auto Down" are set to "ON" before performing the following procedure.

    Refer to CUSTOMIZE PARAMETERS [10/2018 - ]

  • After the catch protection function has operated, the auto up function will not operate the first time the power window auto up switch is operated. The auto up function will operate normally after the first power window switch operation.

HINT: 

If the pulse sensor built into the power window regulator motor assembly (for driver door) is malfunctioning, the power window control system will enter fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the multiplex network master switch assembly at the auto up position, and opened manually by pushing down the multiplex network master switch assembly.

Refer to FAIL-SAFE CHART [10/2018 - ]