Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Utility

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning System(for Gasoline Model) / Utility

UTILITY

REFRIGERANT HIGH PRESSURE HISTORY CLEAR

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Press the OFF switch.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant High Pressure History Clear.

Body Electrical > Air Conditioner > Utility

Tester Display

Refrigerant High Pressure History Clear

REFRIGERANT SHORTAGE CHECK USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant Gas Volume Check.

Body Electrical > Air Conditioner > Utility

Tester Display

Refrigerant Gas Volume Check

(e) Check that the following conditions are met and perform the refrigerant shortage check according to the display on the Techstream.

Measurement Condition:

Item

Condition

A/C switch

On

Ambient temperature*

0 to 49°C (32 to 120°F)

Blower speed

HI

*: If the ambient temperature is not within the range shown, do not perform this check.

HINT:

  • Refer to the Techstream operator's manual for further details.
  • A message indicating a refrigerant shortage is displayed on the Techstream and the air conditioning system turns off if the amount of refrigerant in the system is insufficient.
  • DTCs are not stored when performing the refrigerant shortage check using the Techstream.
Result:

Result

Amount of Refrigerant

Corrective Action

Refrigerant shortage

Insufficient
  1. Check for refrigerant leaks using a halogen leak detector, and repair if necessary.
  2. Evacuate the air conditioning system and charge it with the appropriate volume of new or purified refrigerant.

    Click here

Refrigerant correct

Correct

-
    Lost Communication With ECM/PCM "A" (U0100-U0142,U0151,U0155,U0163)

    Weak Blower Output

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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