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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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 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 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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INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 5 (M-) - 6 (M+) 20°C (68°F) 0.3 to 100 Ω If the result is not as sp
DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting OBD II (On-Board Diagnostics) vehicles, the Techstream (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can be then read. OBD II regulations re
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