WIPER AND WASHER SYSTEM > PROBLEM SYMPTOMS TABLE

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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.

Front Wiper and Washer (w/o Auto Wiper System) 
Symptom
Suspected Area
See page
Front wipers do not operate at all
WIPER fuse
-
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 switch assembly
Click here
Windshield wiper motor assembly
Click here
Harness or connector
-
Front wipers do not operate in HI
Windshield wiper switch assembly
Click here
Windshield wiper motor assembly
Click here
Harness or connector
-
Front washer motor does not operate
WASHER fuse
-
Windshield washer motor and pump assembly
Click here
Windshield wiper switch assembly
Click here
Harness or connector
-
Washer fluid does not flow
Washer fluid
-
Washer hose and nozzle
-
Front wipers do not operate when the front washer switch is on
Windshield wiper switch assembly
Click here
Windshield wiper motor assembly
Click here
Harness or connector
-
When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position
Front wiper arm installation position
Click here
Windshield wiper motor assembly
Click here
Washer fluid level warning system does not operate
Level warning switch assembly
Click here
Combination meter assembly
Click here
Harness or connector
-

Front Wiper and Washer (w/ Auto Wiper System) 
Symptom
Suspected Area
See page
Front wipers do not operate at all
Wiper ECU power source circuit
Click here
Front wiper motor circuit
Click here
Windshield wiper relay assembly
Click here
Front wipers do not operate in AUTO
Rain sensor tape
-
Rain sensor circuit
Click here
Speed signal circuit
Click here
Front wiper motor circuit
Click here
Wiper and washer switch circuit
Click here
Windshield wiper relay assembly
Click here
When the front wiper switch is in AUTO, the rain sensor sensitivity cannot be adjusted by the windshield wiper switch adjusting ring*.
Windshield glass (rain sensor sensing portion) is dirty
-
Windshield wiper switch assembly
Click here
Windshield wiper relay assembly
Click here
Harness or connector
-
Front wipers do not operate in LO or Hi
Front wiper motor circuit
Click here
Wiper and washer switch circuit
Click here
Windshield wiper relay assembly
Click here
Front washer motor does not operate
WASHER fuse
-
Windshield washer motor and pump assembly
Click here
Windshield wiper switch assembly
Click here
Harness or connector
-
Washer fluid does not flow
Washer fluid
-
Washer hose and nozzle
-
Front wipers do not operate when the front washer switch is on
Front wiper motor circuit
Click here
Wiper and washer switch circuit
Click here
When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position
Front wiper arm installation position
Click here
Windshield wiper motor assembly
Click here
Windshield wiper switch assembly
Click here
Windshield wiper relay assembly
Click here
Washer fluid level warning system does not operate
Level warning switch assembly
Click here
Combination meter assembly
Click here
Harness or connector
-

HINT:
*: The rain sensor sensitivity can be adjusted by the windshield wiper switch adjusting ring.

Headlight Cleaner System 
Symptom
Suspected Area
See page
Headlight cleaner system does not operate when the headlight cleaner switch is operated
H-LP CLN fuse
-
ECU-IG1 NO. 2 fuse
-
Harness or connector
-
Headlight cleaner switch assembly
Click here
Headlight cleaner motor and pump assembly
Click here
Headlight washer actuator sub-assembly
Click here
Headlight cleaner control relay
Click here
Main body ECU (multiplex network body ECU)
Click here
Headlight cleaner system does not operate when the front washer switch is operated (operates correctly when the headlight cleaner switch assembly is operated)
H-LP CLN fuse
-
ECU-IG1 NO. 2 fuse
-
Harness or connector
-
Headlight cleaner motor and pump assembly
Click here
Headlight cleaner control relay
Click here
Main body ECU (multiplex network body ECU)
Click here
Washer fluid does not flow
Washer fluid
-
Washer hose and headlight washer actuator sub-assembly
-