Toyota Camry (XV70): 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 |
|
Skid Control ECU (Brake Actuator Assembly) |
Tire Pressure Warning ECU and Receiver |
Speed sensor signal* |
CAN communication line |
- *: w/ Tire Inflation Pressure Display Function
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the tire pressure warning system.
Make sure that the wireless door lock control system has exited diagnostic mode b
Operation Check
OPERATION CHECK CHECK TIRE PRESSURE WARNING SYSTEM FUNCTION
(a) Using the Data List, check that the current tire pressure is normal.
Click here
(1) Slowly reduce the tire pressure of the
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
SEE MORE:
FR Speed Sensor Wrong Installation (X0452)
DESCRIPTION
Code Tester Display
Measurement Item Trouble Area
X0452 FR Speed Sensor Wrong Installation
History of front speed sensor RH being installed incorrectly
Front Speed Sensor RH PROCEDURE
1.
CHECK FOR DTCs (HEALTH CHECK) (a) Perform the H
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
HINT: Using the Techstream to read the Data List allows the values or state
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