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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 257 (Heating / Air Conditioning System (HEV) - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HV Model) >> No Cool Air Comes Out [01/2019 - 09/2022] >> Description

No Cool Air Comes Out [01/2019 - 09/2022]: Description

WARNING: This page is about a different variant/trim than selected.

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)
  • Compressor with motor 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