Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

  • 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 (for front passenger side)

LIN communication system

Power window regulator master switch assembly

Remote UP/DOWN function does not operate (for rear side)

Power window regulator master switch assembly

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

LIN communication system

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 power window regulator switch

LIN communication system

Power window regulator switch assembly

Front power window regulator motor assembly RH

Harness or connector

-

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

Rear power window regulator switch assembly LH

Rear power window regulator motor assembly LH

Power window regulator master switch assembly

Harness or connector

-

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

Rear power window regulator switch assembly RH

Rear power window regulator motor assembly RH

Power window regulator master switch assembly

Harness or connector

-

Driver side power window AUTO UP/DOWN function does not operate

Glass position initialization

LIN communication system

Power window regulator master switch assembly

Front power window regulator motor assembly LH

Front passenger side power window AUTO UP/DOWN function does not operate

Glass position initialization

LIN communication system

Power window regulator switch assembly

Front power window regulator motor assembly RH

Power window does not operate at all

Power window regulator master switch assembly

Harness or connector

-

Power window does not operate with driver side door key cylinder

Front door lock motor

Main body ECU (multiplex network body ECU)

LIN communication system

Harness or connector

-

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

LIN communication system

Front door courtesy light switch

Main body ECU (multiplex network body ECU)

AUTO UP operation does not fully close power window (jam protection is activated)

Glass position initialization

Improper installation (door glass run)

Power window regulator motor (applicable location)

Jam protection function does not operate

Glass position initialization

Power window regulator motor (applicable location)

Power Window Control System (for Back Window Glass)

Symptom

Suspected Area

See page

Power back window does not operate*1

Back door power window regulator switch assembly

Power window regulator motor assembly

Main body ECU (multiplex network body ECU)

Harness or connector

-

Power back window does not operate*2

Back door power window regulator switch assembly

Power window regulator motor assembly

Main body ECU (multiplex network body ECU)

Harness or connector

-

  • *1: for CrewMax
  • *2: for Double Cab, for Power Slide Type
    Precaution

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

    See More:

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