Lexus ES: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lane control system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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CUSTOMIZE PARAMETERS CUSTOMIZE LTA NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings b
PROBLEM SYMPTOMS TABLE HINT:
If CAN communication system and lane control system DTCs are not output and any of the following problem symptoms exist, perform troubleshooting by checking the appropr
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DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warning ECU assembly. The clearance warning ECU assembl
DESCRIPTION When the dynamic radar cruise control system is turned on using the cruise control main switch, the cruise control indicator (vehicle-to-vehicle distance control mode) illuminates. The hybrid vehicle control ECU uses this and other indicators to indicate the status (presence or absence o
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