LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Heating / Air Conditioning System - Diagnostic Codes, Circuit Tests & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HEV Model) >> ECO Switch Circuit [11/2021 - ] >> Description

ECO Switch Circuit [11/2021 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.

The ECO drive mode control is activated for the air conditioning system by operating the drive mode select switch (combination switch assembly).

When the air conditioning system control cannot be performed while in ECO drive mode due to a malfunction etc., the following causes are possible.

Malfunction Status Factor
  • Even if ECO drive mode is selected, the air vent cannot be controlled
  • Even if ECO drive mode is not selected, the air vent cannot be controlled
  • Air conditioning amplifier assembly malfunction
  • Drive mode select switch (combination switch assembly) malfunction
  • Harness or connector