DESCRIPTION The headlight ECU sub-assembly LH receives speed signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication and performs light control.
WIRING DIAGRAM  PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes. (e) Clear the DTCs. Body Electrical > HL AutoLeveling > Clear DTCs
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Wait 10 seconds or more. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes. (f) Check for DTCs. Body Electrical > HL AutoLeveling > Trouble CodesOK: DTC B2415 is not output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Wireless Door Lock Control System(for Gasoline Model): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT NOTICE: Make sure to check the following before proceeding with troubleshooting. Do not perform "Smart Code Reset" (all key ID erasure) until the malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed without confirming or resolving mal ...
