Toyota 4Runner manuals

Toyota 4Runner: 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 and relays related to this system before inspecting the suspected areas below.
Front Wiper and Washer

Symptom

Suspected Area

See page

Wiper and washer systems do not operate at all

Windshield wiper switch assembly


Harness or connector

-

Front wiper system does not operate

Windshield wiper motor assembly


Windshield wiper switch assembly


Harness or connector

-

Front washer system does not operate

Windshield washer motor and pump assembly


Windshield wiper switch assembly


Harness or connector

-

Front wipers do not operate when front washer switch is on

Windshield wiper motor assembly


Windshield wiper switch assembly


Harness or connector

-

When front wiper switch is off, wiper blades do not park or park in wrong position

Front wiper arm installation position


Windshield wiper motor assembly


Rear Wiper and Washer

Symptom

Suspected Area

See page

Rear wiper and washer system does not operate

Windshield wiper switch assembly


Harness or connector

-

Rear wiper system does not operate

Proceed to "Rear Wiper does not Operate"


Rear washer system does not operate

Proceed to "Rear Washer does not Operate"


Rear wiper arm does not return to its original position when wiper switch is turned off

Rear wiper motor assembly


Harness or connector

-

Other

Symptom

Suspected Area

See page

Washer fluid level warning system does not operate*

Proceed to "Washer Fluid Level Warning Switch Circuit"


Combination meter assembly


  • *: w/ PTC Heater
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