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

OPERATION CHECK

CHECK SERVICE POSITION CONTROL

(a) Turn the engine switch off.

(b) Within approximately 45 seconds of turning the engine switch off, hold the windshield wiper switch assembly in the MIST position for 2 seconds and confirm that the wipers move to the uppermost position.

CHECK VEHICLE SPEED SENSING TYPE ADJUSTABLE INTERMITTENT WIPER CONTROL

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

(b) Move the windshield wiper switch assembly to the INT position.

(c) Check that the intermittent operation interval changes between approximately 1.5 to 11 seconds according to the vehicle speed and the position of the intermittent time adjustment switch of the windshield wiper switch assembly.

CHECK INTERMITTENT CONTROL FUNCTION

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

(b) Move the windshield wiper switch assembly to the INT position.

(c) Check that the intermittent operation interval can be adjusted between approximately 4 to 12.5 seconds by operating the intermittent time adjustment switch.

WASHER OPERATION INSPECTION

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

(b) Check washer cooperation:

Operate the washer switch for approximately 0.5 seconds or more and check that the front wipers operate in LO and washer fluid is sprayed. Then release the washer switch and check that the front wipers operate for 3 cycles.

(c) Drip prevention wiper function:

With the vehicle speed less than approximately 5 km/h (3 mph), operate the washer switch and check that the front wipers operate for 1 cycle approximately 3 seconds after washer cooperation completes.

CHECK WASHER FLUID LEVEL LOW WARNING

(a) Check that when the volume of washer fluid decreases to below a certain level (the level warning switch turns on), a warning message is displayed on the multi-information display.