Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of the problem symptom. 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 the system before inspecting the suspected areas below.
Power Window Control System

Symptom

Suspected Area

See page

Remote UP / DOWN function does not operate

Power window regulator master switch assembly

Driver side power window does not operate with power window master switch

Power window regulator master switch assembly

Front power window regulator motor assembly LH

Harness or connector

Front passenger side power window does not operate with front passenger side power window switch

Power window regulator master switch assembly

Power Window Regulator Switch Assembly

Front power window regulator motor assembly RH

Harness or connector

Rear power window LH does not operate with rear power window switch LH

Power window regulator master switch assembly

Rear power window regulator switch assembly LH

Rear power window regulator motor assembly LH

Harness or connector

Rear power window RH does not operate with rear power window switch RH

Power window regulator master switch assembly

Rear power window regulator switch assembly RH

Rear power window regulator motor assembly RH

Harness or connector

Driver side power window auto down function does not operate

Power window regulator master switch assembly

Front power window regulator motor assembly LH

Harness or connector

Power windows do not operate at all

Power window regulator master switch assembly

Harness or connector

Key-off operation function operates even if operating conditions are not satisfied

Main body ECU (driver side junction block)

Lighting system

Power Window Control System (for Back Window Glass)

Symptom

Suspected Area

See page

Power back window does not operate*2

Back door power window regulator switch assembly

Power window regulator motor assembly

Main body ECU (driver side junction block)

Harness or connector

-

Power back window does not operate*1

Back door power window regulator switch assembly

Power window regulator motor assembly

Main body ECU (driver side junction block)

Harness or connector

-

  • *1: for CrewMax
  • *2: for Double Cab, for Power Slide Type
    Power Windows do not Operate at All

    Rear Power Window LH does not Operate with Rear Power Window Switch LH

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