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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) >> ECO Switch Circuit [06/2018 - ] >> Description

ECO Switch Circuit [06/2018 - ]: Description

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When the ECO switch assembly (combination switch assembly) is operated, the air conditioning amplifier assembly receives a signal and enables or disables ECO mode control of the air conditioning system.

Symptom Factor
When ECO switch assembly (combination switch assembly) is operated, blower speed does not change
  • Air conditioning amplifier assembly malfunction
  • ECO switch assembly (combination switch assembly) malfunction
  • Harness or connector
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