Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

SYSTEM DIAGRAM

LOCAL CAN CIRCUIT

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 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Before performing troubleshooting for the front radar sensor system, perform troubleshooting for the pre-collision system. Click here *: Use the Techstream. PRO

 Utility

UTILITY NOTICE: When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of

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 Bus Buffer ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Bus Buffer ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Accessory Gateway" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history

 Pressure Control Solenoid "B" Circuit Short to Battery (P077512)

DESCRIPTION Changing gears is performed by the ECM turning the solenoid (SL1, SL2, SL3, SL4, SL5 and SL6) valves on and off. If an open or short occurs in any of the solenoid valve circuits, the ECM controls the remaining normal solenoid valves to allow the vehicle to be driven. If all of the soleno

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