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.
Front Wiper and Washer System

Symptom

Suspected Area

Link

Front wipers do not operate at all

Windshield wiper switch assembly

Windshield wiper motor assembly

Front wiper system does not operate in LO or MIST

Windshield wiper switch assembly

Windshield wiper motor assembly

Front wiper system does not operate in HI

Windshield wiper switch assembly

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 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
...

Other materials:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or sig ...

Steering Angle Sensor Output Malfunction (C1434)
DESCRIPTION Steering angle sensor signals are input to the skid control ECU (brake actuator assembly) via the CAN communication system. HINT: When a malfunction occurs in the communication line to the steering angle sensor, U0126 is output. If a DTC related to the CAN communication line is ou ...

Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: If the millimeter wave radar sensor assembly has been struck or dropped, replace the millimeter wave radar sensor assembly with a new one. PROCEDURE 1. INSTALL MILLIMETER WAVE RADAR SENSOR ASSEMBLY (a) for Type A: (1) Engage the 2 gu ...

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