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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Heating / Air Conditioning System (Except HEV, Auto A/C) - Diagnostic Codes & Symptom Tests) >> AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System) >> No Warm Air Comes Out [11/2022 - ] >> Description

No Warm Air Comes Out [11/2022 - ]: Description

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If cool 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 warm air comes out

    (Blower control is normal)

  • Outlet air temperature does not increase

    (Blower control is normal)
  • Engine coolant temperature (low)
  • Air mix damper and link operation (jamming)
  • Warm-up control
  • Blockage in heater radiator unit sub-assembly
  • Heater radiator unit sub-assembly malfunction
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