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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 Back Camera Internal Circuit (C2A63)

DESCRIPTION This DTC is stored when the parking assist ECU detects a signal indicating a malfunction in the rear television camera assembly via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area C2A63 Back Camera Internal Circuit A signal indicating a mal

 DC/DC Converter Status Circuit Short to Battery (P0A0812,P0A0814)

DESCRIPTION The DC/DC converter varies output voltage based on voltage change signals (VLO signal line) received from the motor generator control ECU. If the vehicle is being driven with an inoperative DC/DC converter, the voltage of the auxiliary battery will drop, which will prevent the continued

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