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:

Power Outlet Socket(for Front Side)
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL LOWER CENTER FINISH PANEL (See page ) 2. REMOVE NO. 1 POWER OUTLET SOCKET ASSEMBLY (a) Using a screwdriver with its tip wrapped in protective tape, disengage the 2 claws to remove t ...

Lost Communication with Vehicle Dynamics Control Module Missing Message (U012287)
DESCRIPTION The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication. DTC No. DTC Detection Condition Trouble Area MIL Note U012287 While cruise control main switch ON, co ...

Lost Communication With Vehicle Dynamics Control Module (U0122)
DESCRIPTION This DTC is detected if communication is lost with the skid control ECU (brake actuator assembly). DTC No. Detection Item DTC Detection Condition Trouble Area U0122 Lost Communication with Vehicle Dynamics Contro ...

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