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:
Installation
INSTALLATION PROCEDURE 1. INSTALL FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY)
HINT: Perform "Inspection After Repair" after replacing the fuel pressure sensor (fuel delivery pipe with sensor assembly).
Click here
Click here
NOTICE:
Do not remove the fuel pressu
Terminals Of Ecm
TERMINALS OF ECM
HINT: The standard normal voltage and resistance between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage and resista
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