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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (Heating / Air Conditioning System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> AIR CONDITIONING SYSTEM (for Gasoline Model) >> No Cool Air Comes Out [06/2018 - ] >> Description

No Cool Air Comes Out [06/2018 - ]: Description

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If warm air blows from the registers regardless of the temperature setting of the air conditioning system, the following factors may be the cause.

Symptom Factor
No cool air comes out
  1. (Blower control is normal)
  • Cooler compressor assembly malfunction
  • Refrigerant pressure is extremely high or low
  • Refrigerant volume (low)
  • Clogged cooler condenser assembly fins
  • Cooling fan system malfunction
  • Mechanical locking of damper and damper link
  • No. 1 cooler thermistor malfunction
  • High inlet air temperature
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