Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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.
Power Window Control System

Symptom

Suspected Area

See page

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

Front power window regulator motor assembly LH

Power window regulator master switch assembly

Harness or connector

-

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

Power window regulator master switch assembly

Front power window regulator motor assembly LH

Harness or connector

-

Rear power window LH does not operate with rear power window switch LH*1

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*1

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 with power window master switch (manual up / down function is normal)

Power window regulator master switch assembly

Front power window regulator motor assembly LH

Harness or connector

-

Remote up / down function does not operate

Power window regulator master switch assembly

Driver side junction block

Harness or connector

-

  • *1: for Double Cab
Power Window Control System (for back door power window)*1

Symptom

Suspected Area

See page

Power back window does not operate*1

Rear No. 2 power window regulator switch assembly

Power window regulator motor assembly

Harness or connector

-

  • *1: w/ Back Door Power Window
Operation Check
OPERATION CHECK 1. CHECK WINDOW LOCK FUNCTION (a) Turn the ignition switch ON. (b) Press the window lock switch of the power window regulator master switch assembly. HINT: The illumination (LED ...

Quarter Window Glass(for Access Cab)
...

Other materials:

Brake Control Signal Mismatch (C1A69)
DESCRIPTION The skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 sends signals to the millimeter wave radar sensor assembly according to the brake control status. If the millimeter wave radar sensor assembly receives a vehicle stability control sys ...

Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)
DESCRIPTION If a front door glass or the power window regulator motor assembly (for driver door) or power window regulator motor assembly (front passenger door) does not operate smoothly, the catch protection function may be triggered automatically, resulting in the auto down operation being ...

Turn Signal Switch Circuit
DESCRIPTION The combination meter assembly receives the turn signal switch information and controls the turn signal lights. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (TURN SIGNAL SWITCH) (a) Connect the Techstream to the DLC3. (b) Turn the igni ...

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