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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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
SEE MORE:
FAIL-SAFE CHART PROTECTION FUNCTION (a) The windshield wiper motor assembly operates the following protection functions if it detects an abnormal condition, in order to protect the wiper and washer system. Item Protection Content Conditions to Return to Normal Condition Overheat protectio
DISASSEMBLY PROCEDURE 1. REMOVE OIL PUMP RELIEF VALVE (a) Using a 27 mm socket wrench, remove the oil pump relief valve plug from the oil pump cover sub-assembly. *1 Oil Pump Relief Valve *2 Oil Pump Relief Valve Spring *3 Oil Pump Relief Valve Plug (b) Remove
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