DESCRIPTION The main body ECU (multiplex network body ECU) controls the daytime running lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check the operation of the low beam headlights. OK: The low beam headlights operate normally.
(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 / Main Body / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > Main Body > Active Test
OK: Daytime running lights illuminate.
(a) Inspect the DRL relay. Click here
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Disconnect the A45 headlight assembly LH connector. (b) Disconnect the A44 headlight assembly RH connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect the 4F instrument panel junction block assembly connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Owners Manual > For safe use: SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain types of severe impacts that may cause significant injury to the occupants. They work together with the seat belts to help reduce the risk of death or serious injury. SRS front airbags SRS driver airbag/front passenger airbag Can help ...