WIPER AND WASHER SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

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.

Front Wiper and Washer (w/ Auto Wiper System)
Symptom	Suspected Area	See page
Front wipers and washer do not operate	FR WIP fuse	-
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
	Harness or connector	-
Front wipers do not operate at all	Power source circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
Front wipers do not operate in AUTO	Rain sensor tape*1	-
	Wiper and washer switch circuit	Click here
	Rain sensor circuit	Click here
	Speed signal circuit	Click here
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
Front wipers do not operate in LO	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
Front wipers do not operate in HI	Wiper and washer switch circuit	Click here
	Front wiper motor circuit	Click here
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
Front washer motor does not operate	Windshield washer motor and pump assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Washer fluid does not flow	Washer hose and nozzle	-
Front wipers do not operate when front washer switch is ON	Wiper and washer switch circuit	Click here
	Windshield wiper relay assembly (for RHD)	Click here
	Windshield wiper relay assembly (for LHD)	Click here
When the front wiper switch is OFF, the wiper blades do not park or park in the wrong position	Front wiper arm installation position	-
	Windshield wiper motor assembly	Click here

Tech Tips

*1: Before inspecting the rain sensor, first check if the rain sensor tape is correctly installed.

Rear Wiper and Washer
Symptom	Suspected Area	See page
Rear wiper and washer do not operate	RR WIP fuse	-
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Rear wiper does not operate in LO or HI	Windshield wiper switch assembly	Click here
	Rear wiper motor assembly	Click here
	Harness or connector	-
Rear washer motor does not operate	Windshield wiper switch assembly	Click here
	Rear washer motor assembly	Click here
	Harness or connector	-
Washer fluid does not flow	Washer hose and nozzle	-
When the rear wiper switch is OFF, the wiper blade does not park or park in the wrong position	Rear wiper arm installation position	-
	Rear wiper motor assembly	Click here

Front Wiper and Washer (w/o Auto Wiper System)
Symptom	Suspected Area	See page
Front wipers and washer do not operate	FR WIP fuse	-
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Front wipers do not operate at all	Windshield wiper motor assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Front wipers do not operate in INT	Windshield wiper motor assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Front wipers do not operate in LO	Windshield wiper motor assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Front wipers do not operate in HI	Windshield wiper motor assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Front washer motor does not operate	Windshield washer motor and pump assembly	Click here
	Windshield wiper switch assembly	Click here
	Harness or connector	-
Washer fluid does not flow	Washer hose and nozzle	-
Front wipers do not operate when front washer switch is ON	Windshield wiper switch assembly	Click here
Front wipers do not operate when front washer switch is ON	Harness or connector	-
When the front wiper switch is OFF, the wiper blades do not park or park in the wrong position	Front wiper arm installation position	-
	Windshield wiper motor assembly	Click here

Headlight Cleaner System
Symptom	Suspected Area	See page
Headlight cleaner system does not operate.	Headlight cleaner washer motor and pump assembly	Click here
	Headlight cleaner switch assembly	Click here
	Headlight cleaner control relay	Click here
	Main body ECU	Click here
	Harness or connector	-