Lexus ES manuals

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 Actuator 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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 Disposal

DISPOSAL CAUTION / NOTICE / HINT HINT: The tire pressure warning valve and transmitter is powered by a lithium battery. When disposing of the tire pressure warning valve and transmitter, remove the battery and dispose of it properly. PROCEDURE 1. DISPOSE OF TIRE PRESSURE WARNING VALVE AND TRANSMITTE

 Communication Error From Clearance Sonar ECU to VSC (C164B)

DESCRIPTION The electronically controlled brake system receives parking support brake system information from the clearance warning ECU assembly via CAN communication. When it is determined that there is a communication error between the skid control ECU and clearance warning ECU assembly, DTC C164B

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