ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system.  (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Active Test / Control the Engine Cooling Fan Duty Ratio. Powertrain > Engine > Active Test
(e) Check the operation of the cooling fan while operating it using the Techstream. OK:
If the cooling fan motor (fan with motor assembly) does not operate, check the cooling fan circuit. Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Window Defogger System(for Gasoline Model): Rear Window Defogger System does not Operate
DESCRIPTION When the rear window defogger switch on the radio and display receiver assembly is pressed, the operation signal is transmitted to the air conditioning amplifier assembly via CAN communication. When the air conditioning amplifier assembly receives the signal, it turns on the DEF relay to ...
