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 > Telematics System(for Gasoline Model): Remote Engine Starter does not Operate
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the DCM (telematics transceiver), refer to Registration. Click here PROCEDURE 1. CHECK SMART KEY SYSTEM (for Start Function) (a) Check that the engine can be started by pressing the engine switch. Result Proceed to Engine can be started ...
