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 |
|---|---|---|
|
Tire pressure warning light does not illuminate despite tire pressure decreasing |
Initialization |
|
|
Check Data List (ID Tire Inflation Pressure) |
|
|
|
ID code check (Registration) |
|
|
|
Tire pressure warning light remains illuminated (Goes off during initial check) |
Tire pressure warning light circuit |
|
|
Tire pressure warning light remains illuminated (Illuminates during initial check) |
Check Data List (ID Tire Inflation Pressure) |
|
|
Tire pressure adjustment |
|
|
|
ID code check (Registration) |
|
|
|
Initialization |
|
|
|
Initialization cannot be done |
Tire pressure warning reset switch |
|
|
DTC check cannot be done using SST check wire |
TC and CG terminal circuit |
|
|
ECU power source circuit |
|
|
|
Tire position not identified* |
Tire pressure warning valve and transmitter |
|
|
Main body ECU (Multiplex network body ECU) |
- |
.gif)
- *: w/ Tire Inflation Pressure Display Function
Registration
REGISTRATION
PROCEDURE
1. BEFORE REGISTRATION
NOTICE:
The transmitter ID is written on the tire pressure warning valve and transmitter.
It is not possible to read the transmitter ID after instal ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU AND RECEIVER
(a) Disconnect the T14 tire pressure warning ECU and receiver connector and measure
the voltage and resistance on the wire harness ...
Other materials:
Pressure Control Solenoid "A" Circuit Open (P074513)
DESCRIPTION
Changing from 1st to 6th is performed by the ECM turning shift solenoid valves
SL1, SL2, SL3 and SL4 on and off. If an open or short circuit occurs in any of the
shift solenoid valves, the ECM controls the remaining normal shift solenoid valves
to allow the vehicle to be operated ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT COOLER (ROOM TEMPERATURE. SENSOR) THERMISTOR
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(coo ...
