WIPER AND WASHER SYSTEM(w/ Rain Sensor) PROBLEM SYMPTOMS TABLE

Tip:

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.

Table 1. Front Wiper and Washer System
Symptom	Suspected Area	See page
Wiper and washer systems do not operate at all	Wiper and washer switch circuit	Click here
	Windshield wiper relay assembly*1	Click here
	Windshield wiper relay assembly*2	Click here
	Headlight cleaner control relay	Click here
Wiper system does not operate at all	Power source circuit	Click here
	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly*1	Click here
	Windshield wiper relay assembly*2	Click here
Wiper system does not operate (LO)	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly1,3	Click here
	Windshield wiper relay assembly2,3	Click here
	Headlight cleaner control relay*3	Click here
Wiper system does not operate (HI)	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly1,3	Click here
	Windshield wiper relay assembly2,3	Click here
	Headlight cleaner control relay*3	Click here
Wiper system does not stop	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly*1	Click here
	Windshield wiper relay assembly*2	Click here
Washer system does not operate	Wiper and washer switch circuit	Click here
	Washer motor circuit	Click here
	Windshield wiper relay assembly*1	Click here
	Windshield wiper relay assembly*2	Click here
	Headlight cleaner control relay	Click here

*1: for LHD
*2: for RHD
*3: The windshield wiper switch assembly is in the AUTO position.

Table 2. Rear Wiper and Washer System
Symptom	Suspected Area	See page
Rear wiper and washer system does not operate	Windshield wiper switch assembly	Click here
Rear wiper and washer system does not operate	Harness or connector	-
Rear wiper system does not operate	RR WIPER fuse	Click here
	Windshield wiper switch assembly	Click here
	Rear wiper motor and bracket assembly	Click here
	Harness or connector	-
Rear washer system does not operate	Windshield wiper switch assembly	Click here
	Rear washer motor assembly	Click here
	Harness or connector	-
Rear wiper arm does not return to its original position when wiper switch is turned off	Rear wiper motor and bracket assembly	Click here
	Harness or connector	-

Table 3. Auto Wiper System
Symptom	Suspected Area	See page
Auto wiper system does not operate (manual operation is possible)	Rain sensor circuit	Click here

Table 4. Headlight Cleaner System(w/ Headlight Cleaner System)
Symptom	Suspected Area	See page
Headlight cleaner system does not operate at all	Headlight cleaner motor and relay circuit	Click here
	Main body ECU (instrument panel junction block assembly)	-
	Headlight cleaner control relay	Click here
	Washer motor circuit	Click here
	Lighting system (EXT)	Click here