Toyota Avalon Service & Repair Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses related to this system before inspecting the suspected areas below.

Symptom	Suspected Area	Link
Cooling fan does not operate	Engine coolant temperature sensor
	EFI-MAIN NO. 1 relay
	Cooling fan circuit
	Fan with motor assembly	-
	ECM
Cooling fan does not stop (continues to operates)	Engine coolant temperature sensor
	Cooling fan circuit
	Fan with motor assembly	-
	ECM
Cooling fan speed does not change	Cooling fan circuit
	Fan with motor assembly	-
	ECM

Toyota Avalon Owners Manual > Using the driving support systems: LDA (Lane Departure Alert with steering control)
Summary of functions When driving on highways and freeways with white (yellow) lines, this function alerts the driver when the vehicle might depart from its lane and provides assistance by operating the steering wheel to keep the vehicle in its lane. The LDA system recognizes visible white (yellow) ...

Toyota Avalon Owners Manual