Toyota Tacoma 2015-2018 Service Manual: System Diagram
SYSTEM DIAGRAM
HINT:
Each tire pressure warning valve and transmitter sends its transmitter ID, temperature and tire pressure information to the tire pressure warning ECU and receiver.
|
Transmitting ECU (Transmitter) |
Receiving ECU |
Signal |
Communication Method |
|---|---|---|---|
|
Combination Meter Assembly |
Main Body ECU (Multiplex Network Body ECU) |
Vehicle speed signal |
CAN communication line |
|
Main Body ECU (Multiplex Network Body ECU) |
Combination Meter Assembly |
Tire pressure warning light signal |
CAN communication line |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION OF SYSTEM
(a) When the tire pressure warning system detects that the tire pressure of a
tire is lower than the threshold, it will inform the driver using a warnin ...
Other materials:
Route cannot be Calculated
PROCEDURE
1.
SET DESTINATION
(a) Set another destination and check if the system can calculate the route correctly.
OK:
Route can be correctly calculated.
OK
NORMAL OPERATION
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN ...
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 sy ...
Precaution
PRECAUTION
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT
(a) Perform the zero point calibration and sensitivity check if any of the following
conditions apply.
The occupant detection ECU is replaced.
Accessories (seatback tray and seat cover, etc.) are installed.
The f ...