DESCRIPTION The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the state of the front seat inner belt assembly LH. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: The seat belt warning system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting. Click here
HINT: The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat. Check that the operation of the seat belt warning light is normal first. Click here
If the seat belt warning light does not operate for both the driver seat and front passenger seat, replace the combination meter assembly. Click here
PROCEDURE
(a) Clear the DTCs. Body Electrical > SRS Airbag > Clear DTCs(b) Check for DTCs. Body Electrical > SRS Airbag > Trouble Codes
(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 / SRS Airbag / Data List. (e) Read the Data List according to the display on the Techstream. Body Electrical > SRS Airbag > Data List
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model With Cornering Light): Parking Light/Daytime Running Light Circuit
DESCRIPTION Parking light function: When the main body ECU (multiplex network body ECU) receives the light control switch position signal, it sends an illumination request signal to the headlight ECU sub-assembly LH/RH and illuminates the parking lights. Daytime running light function: When the oper ...
