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:

Precaution
PRECAUTION 1. PRECAUTION FOR HEADLIGHT BULB REPLACEMENT (a) When any defects such as deformation, cracks, dents, chipping, etc. are identified on the headlight, replace it with a new one. (b) Even if the operation seems to be normal, the fail-safe function may be defective. (c) Since halogen b ...

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Before starting the work, make sure that the ignition switch is off and depress the brake pedal more than 20 times. As high pressure is applied to the No. 1 brake actuator tube, never deform it. Do not turn the ignition switch to ON ...

Components
COMPONENTS ILLUSTRATION *A w/o Navigation System *B w/ Navigation System *C for Double Cab *D for Acces Cab *E for 4WD - - *1 ...

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