LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> Air Conditioning System >> DTC Check / Clear

DTC Check / Clear

  1. INDICATOR CHECK 
    1. Press and hold the A/C control AUTO switch and Recirculation / Fresh switch simultaneously, and turn the power switch ON (IG). Continue holding the 2 switches until the panel diagnosis mode begins.
      Fig 1: Pressing A/C Control Auto Switch
      G05297719Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that all indicators turn on and off 4 times in succession at 1 second intervals.

      HINT:

      • After the indicator check is completed, the system enters the DTC mode automatically.
      • Press the "OFF" switch to cancel the indicator check.
        Fig 2: DTC Check / Clear - Blinking Pattern
        G04950367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DTC CHECK USING INTELLIGENT TESTER 
    1. Connect the intelligent tester (with CAN VIM) 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 by after repairing the malfunctions.

      1. Connect the intelligent tester (with CAN VIM) to the DLC3.
      2. Turn the power switch ON (IG).
      3. Erase the DTCs following the prompts on the tester screen.

        HINT:

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

        Fig 3: Connecting Intelligent Tester To DLC3
        G05306806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002