Air Conditioning System Dtc Check / Clear

Heater & Air Conditioning System. Lexus Gs430, Gs300. Uzs190 Grs190
Air Conditioning. Lexus Gs430, Gs300. Uzs190 Grs190
  1. INDICATOR CHECK

  1. DTC CHECK USING INTELLIGENT TESTER

Air Conditioning System -- Dtc Check / Clear



INDICATOR CHECK
Lexus Gs430, Gs300. Uzs190 Grs190
  1. Turn the engine switch on (IG) while pressing the A/C control AUTO switch and Recirculation / Fresh switch simultaneously.



  2. Lexus Gs430, Gs300. Uzs190 Grs190.Air Conditioning.Air Conditioning System.Air Conditioning System  Dtc Check / Clear
  3. Check that all indicators turn on and off 4 times in succession at 1 second intervals.

    HINT:
    1. After the indicator check is completed, the system enters the DTC mode automatically.
    2. Press the "OFF" switch to cancel the indicator check.

DTC CHECK USING INTELLIGENT TESTER
Lexus Gs430, Gs300. Uzs190 Grs190.Air Conditioning.Air Conditioning System.Air Conditioning System  Dtc Check / Clear
  1. Connect the intelligent tester to the DLC3.

  2. Read the DTCs by following the prompts on the tester screen.

    HINT:
    Refer to the intelligent tester operator's manual for further details.
  3. Clear the DTCs.

    HINT:
    Clear the DTCs after repairing the malfunctions.

    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Erase the DTCs by following the prompts on the tester screen.

      HINT:
      Refer to the intelligent tester operator's manual for further details.