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 |
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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 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
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Parts Location
PARTS LOCATION ILLUSTRATION *1 FUEL LID OPENER SWITCH *2 DLC3 *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FUEL OPN RELAY *4 COMBINATION METER ASSEMBLY *5 ECM *6 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - EFI NO. 1 FUSE - FUEL OPN FUSE - EFI-MAIN
System Description
SYSTEM DESCRIPTION GENERAL (a) This system has a rear television camera assembly mounted on the luggage compartment door to display an image of the area behind the vehicle on the multi-display. The multi-display also shows a composite view consisting of the area behind the vehicle and parking guide
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