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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Air Conditioning System - Diagnostic Codes (2 Of 2) & Symptom Tests) (Hybrid)) >> AIR CONDITIONING SYSTEM (for HV Model) >> Front Window Fogging [10/2018 - 07/2022] >> Description

Front Window Fogging [10/2018 - 07/2022]: Description

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If the windshield frequently fogs up even though the air conditioning system is operating, the following factors may be the cause.

Symptom Factor
Windshield frequently fogs up
  • Compressor with motor assembly malfunction
  • Refrigerant volume (low)
  • Cooler expansion valve (opened excessively)
  • No. 1 air conditioning radiator damper servo sub-assembly malfunction
  • Mechanical locking of damper and damper link
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