DESCRIPTION When the light control switch is in the tail or head position, the main body ECU (multiplex network body ECU) sends an illumination request signal to the headlight ECU sub-assembly LH/RH to illuminate the front side marker lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check the illumination of each front side marker lights.
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLeveling / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > HL AutoLeveling > Active Test
OK: Front side marker light illuminate.
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly LH with RH and connect the connectors. Click here
(a) Check that the front side marker light operates normally. OK: Front side marker light operates normally.
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLeveling (Sub) / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > HL AutoLeveling (Sub) > Active Test
OK: Front side marker light illuminate.
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly RH with LH and connect the connectors. Click here
(a) Check that the front side marker light operates normally. OK: Front side marker light operates normally.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Combination Meter ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Combination Meter ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Combination Meter" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history for "Combina ...