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) |
- |
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- *: 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:
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
*1
COMPRESSOR PICK UP SENSOR
*2
MAGNET CLUTCH ASSEMBLY
*3
PRESSURE RELIEF VALVE
*4
COMPRESSOR SPACER
*5
O-RING
...
Removal
REMOVAL
PROCEDURE
1. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System)
Click here
2. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Manual Air Conditioning System)
Click here
3. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY
Click here
4. REMOVE INSTR ...
Downhill Assist Control system
The downhill assist control system helps to prevent excessive speed on steep
downhill descents.
■ System operation
The system will operate when the vehicle is traveling under 15 mph (25 km/h)
and the front-wheel drive control switch is in the L4 position.
Press the DAC switch. The ind ...
