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

Toyota Tacoma (2015-2018) Service Manual / Wiper / Washer / Wiper And Washer System / 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 System

Symptom	Suspected Area	Link
Front wipers do not operate at all	Windshield wiper switch assembly
Front wipers do not operate at all	Windshield wiper motor assembly
Front wiper system does not operate in LO or MIST	Windshield wiper switch assembly
Front wiper system does not operate in LO or MIST	Windshield wiper motor assembly
Front wiper system does not operate in HI	Windshield wiper switch assembly
Front wiper system does not operate in HI	Windshield wiper motor assembly
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 the washer fluid is sprayed with the windshield washer switch on	Windshield wiper switch assembly
	Harness or connector	-
Washer fluid does not flow	Washer fluid	-
Washer fluid does not flow	Washer hose and washer nozzle sub-assembly

Washer Fluid Level Warning System

Symptom	Suspected Area	Link
Washer fluid level warning message on the multi-information display or Indicator does not operate	Level warning switch assembly
	Combination meter assembly
	Harness or connector	-

Operation Check

OPERATION CHECK 1. CHECK INTERMITTENT CONTROL FUNCTION (w/ Intermittent Time Adjustment Switch) (a) Turn the ignition switch to ON. (b) Turn the windshield wiper switch assembly to the INT position ...

Wiper Switch

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Other materials:

Clearance Warning ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuse for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. CHECK HARNES ...

Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area DTC Output Confirmation Operation B279A*1 ...

Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is used, the forward recognition camera may not be able to be installed due to a missi ...