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

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.

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

*: 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.