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).

(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).

(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:

*: 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	Check for refrigerant leaks using a halogen leak detector, and repair if necessary. Evacuate the air conditioning system and charge it with the appropriate volume of new or purified refrigerant. Click here
Refrigerant correct	Correct	-

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Wiper And Washer System(for Gasoline Model): Lost Communication with Wiper ECU LIN (B1245)
DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper motor assembly communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC O ...

Toyota Avalon (XX50) 2019-2022 Owners Manual