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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (Heating / Air Conditioning System (HV) - Diagnostic Codes (3 Of 3) & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HV Model) >> Front Window Fogging [08/2020 - ] >> Description

Front Window Fogging [08/2020 - ]: Description

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If the front glass frequently fogs up when the air conditioning system is operated, the following causes are possible.

Malfunction Status Factor
Front glass frequently fogs
  • Compressor with motor assembly malfunction
  • Lack of refrigerant gas
  • Cooler expansion valve (opened too far)
  • Mode damper servo malfunction
  • Mode damper and link operation (jamming)