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:
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUME), + (ACCEL), TAP-UP and CANCEL.
The SET, TAP-DOWN and - (COAST) functions, and the RES (RESUME), TAP-UP and +
( ...
Terminals Of Ecu
TERMINALS OF ECU
1. RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
R30-1 (FR+) - R30-7 (GND1)
LA-R - W-B
Sound signal (Front Ri ...
Installation
INSTALLATION
PROCEDURE
1. REMOVE MONOLITHIC CONVERTER PROTECTOR
(a) Install the upper monolithic converter protector and lower monolithic converter
protector with the 2 bolts and 2 nuts.
Torque:
11 N·m {107 kgf·cm, 8 ft·lbf}
(b) Install the clamp with the bolt as shown in the ...
