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 Heater System

Symptom

Suspected Area

See page

Seat heater does not operate for driver side and front passenger side seat

Harness and connector

-

Air conditioning control assembly

Air conditioning amplifier assembly

Front seat heater does not operate (for driver)

Driver side seat heater does not operate

Air conditioning control assembly

Front seat cushion heater assembly LH

Front seatback heater assembly LH

Wire harness or connector

-

Front seat heater does not operate (for front passenger)

Front passenger side seat heater does not operate

Air conditioning control assembly

Front seat cushion heater assembly RH

Front seatback heater assembly RH

Wire harness or connector

-

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Air Conditi ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the A36 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s ...

Other materials:

Installation
INSTALLATION PROCEDURE 1. INSTALL TRANSFER POSITION SWITCH (a) Attach the 2 claws to install the transfer position switch. 2. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System) (See page ) 3. INSTALL INTEGRATION PANEL SUB-ASSEMBLY (for Manual Cooler System) ...

Engine Oil Cooler
Components COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT OIL COOLER ASSEMBLY (a) Check the oil cooler assembly for damage and clogging. If necessary, replace the oil cooler assembly. ...

Freeze Frame Data
FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored. (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: P ...

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