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.
Seat Belt Warning System

Symptom

Suspected Area

Link

Driver side seat belt warning light does not operate

Refer to the "Driver side seat belt warning light does not operate"

Front passenger side seat belt warning light malfunction

Refer to the "Front passenger side seat belt warning light malfunction"

Seat belt warning light does not operate for driver and front passenger seats

Combination meter assembly

-

Seat belt warning buzzer does not operate

Check customized settings using the Techstream

Combination meter assembly

-

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK COMBINATION METER ASSEMBLY (a) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Colo ...

Other materials:

Power Source Control ECU Malfunction (B2782)
DESCRIPTION DESCRIPTION The certification ECU (smart key ECU assembly) has a power source mode switching function. This DTC is stored when the IGE input (the steering lock motor activation permission signal) sent directly from the certification ECU (smart key ECU assembly) to the steering lo ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR DOOR GLASS SUB-ASSEMBLY (a) Clean and shape the contact surface of the vehicle body. Text in Illustration *a Adhesive *b Vehicle Body (1) Using a ...

A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION This DTC is stored when items controlled by the Air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen. HINT: The Air conditioning amplifier assembly controls the air conditioning system related items that are customizable v ...

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