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.
|
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 |
- |
.gif)
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:
Multi-terrain Select Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE MULTI-TERRAIN SELECT SWITCH (DRIVE MONITOR SWITCH)
(a) Disengage the 2 claws to remove the multi-terrain select switch (drive
monitor switch).
Inspection ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender ECU
Receiver ECU
Signal
Line
*1: for Vacuum Brake Booster
*2: for Hydraulic Brake Booster
Forward Recognition Camera
Combination Meter Assembly
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. 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 signals ...
