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
System DescriptionTires
Replace or rotate tires in accordance with maintenance schedules and treadwear.
■ Checking tire
1. New tread
2. Treadwear indicator
3. Worn tread
The location of treadwear indicators is shown by the “TWI” or “
” marks, etc., molded on the sidewall of each tire.
Check spare ti ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle ECUs use ISO 15765-4 communication protocol. The terminal arrangement
of the DLC3 complies with ISO 15031-3 and matches the ISO 15765-4 format.
Terminals No. (Symbols)
Terminal Description
Condition
Spe ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Vacuum Brake Booster
*B
for Hydraulic Brake Booster
*1
SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*2
SKID CONTROL ECU (MASTER CYLINDER SOLENOID)
*3
...