Lexus ES: 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 Booster with Master Cylinder Assembly) | Tire Pressure Warning ECU and Receiver | Speed sensor signal | CAN communication line |
READ NEXT:
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 before
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 front or re
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 installin
SEE MORE:
Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder
chips that prevent the
hybrid system from starting if a key
has not been previously registered
in the vehicle's on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engine compartment with the engine running or the power switch on (IG). PROCEDURE 1. VISUALLY CHECK HOSE
© 2016-2025 Copyright www.lexguide.net
