Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / Window / Glass / Power Window Control System(w/o Jam Protection Function) / 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)

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Other materials:

Precaution
PRECAUTION 1. PRECAUTIONS WHEN CHECKING FOR DTCS (a) When the cable is disconnected from the negative (-) battery terminal, the DTCs stored in the steering lock ECU (steering lock actuator or UPR bracket assembly) are cleared. Be sure to record any output DTCs immediately. (b) Normally, with ...

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE: When installing, coat the parts indicated by the arrows with power steering fluid (See page ). PROCEDURE 1. INSTALL VANE PUMP HOUSING OIL SEAL (a) Coat a new vane pump housing oil seal lip with power steering fluid. (b) Using SST and a press, in ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT LOWER ARM BUSH NO. 1 (a) Install a new lower arm bush using SST, a press and steel plate. SST: 09631-12090 SST: 09631-32020 NOTICE: Push the lower arm bush in until the bush positioning protrusions come to the positions shown in the illustration. 2. ...