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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System (Except HV, W/ Auto A/C) - Diagnostics - Introduction >> AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System) >> Customize Parameters [10/2022 - 11/2023] >> Customize Parameters [10/2022 - 11/2023]

Customize Parameters [10/2022 - 11/2023]

  1. CUSTOMIZE AIR CONDITIONING SYSTEM 
    1. Customizing with the GTS.
      NOTE:
      • When the customer requests a change in a function, first make sure that the function can be customized.
      • Be sure to make a note of the current settings before customizing.
      • When troubleshooting a function, first make sure that the function is set to the default setting.

      HINT: 

      The following items can be customized.

      1. Select the setting by referring to the table below.

        Air Conditioner 

        Tester Display Description Default Setting ECU
        S-FLOW Control Auto Function Function to turn the S-FLOW control on automatically when the ignition switch is turned to ON ON 0:ON, 1:OFF Air conditioning amplifier assembly
        Set Temperature Shift Function to perform control with the shifted temperature versus the displayed temperature Normal 00001:-2C, 00010:-1C, 00100:Normal, 01000:+1C, 10000:+2C Air conditioning amplifier assembly
        Evaporator Control Function to set the evaporator control to the automatic position (Automatic) to save power or to the coldest position (Manual) to dehumidify the air and to prevent the windows from fogging up Automatic 0:Automatic, 1:Manual Air conditioning amplifier assembly
        Compressor Mode Function to turn the A/C on automatically by pressing the AUTO button when the blower is on and the A/C is off Automatic 0:Automatic, 1:Manual Air conditioning amplifier assembly
        Air Inlet Mode Function to change the mode automatically to recirculation air mode when turning the A/C on to cool the cabin quickly (except USA and Canada) Automatic 0:Automatic, 1:Manual Air conditioning amplifier assembly
        Foot/DEF Auto Mode Function to change the air outlet mode to foot/defroster automatically when AUTO mode is on ON 0:ON, 1:OFF Air conditioning amplifier assembly
        Foot/DEF Automatic Blow Up Function Function to increase the blower level automatically when the defroster is on ON 0:ON, 1:OFF Air conditioning amplifier assembly
        Ambient Temperature Shift Function to display the shifted ambient temperature versus the actual ambient temperature Normal 0000001:-3C, 0000010:-2C, 0000100:-1C, 0001000:Normal, 0010000:+1C, 0100000:+2C, 1000000:+3C Air conditioning amplifier assembly
        ECO MODE Cancel Function to disable the operation of the ECO HEAT/COOL switch (radio and display receiver assembly) when set to OFF
        NOTE:

        Make sure to disable ECO mode control before setting this customize setting to ON

        		 OFF 0:OFF, 1:ON Air conditioning amplifier assembly
        Refrigerant Shortage Check Function to cancel the refrigerant shortage check (check performed during normal operation) when set to ON ON 0:ON, 1:OFF Air conditioning amplifier assembly
        Fan speed increment control Function to set the speed to reach the target blower fan speed when AUTO mode is on Normal 001:Slow, 010:Normal, 100:Fast Air conditioning amplifier assembly
        Outside Air Mode Auto Switch Function Function to automatically change the air inlet to FRESH mode when the ignition switch is off for 60 seconds ON 0:ON, 1:OFF Air conditioning amplifier assembly
    2. Customizing with the center display.
      1. Turn the ignition switch to ON.
      2. Enter the following menus: Settings → Vehicle customize → Climate.
        CLIMATE SETTINGS

        Function Default Setting ECU
        Switching between outside air and recirculated air mode linked to "AUTO" switch operation* On On or Off Air conditioning amplifier assembly
        A/C auto switch operation On On or Off Air conditioning amplifier assembly

        *: except USA and Canada

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