DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the door control switch assembly and activates the door lock motor on each door according to these signals. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here PROCEDURE
(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 / Main Body / Data List. (e) Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List
OK: The Techstream indicates ON or OFF according to the switch operation shown in the table.
(a) Remove the door control switch assembly. Click here (b) Inspect the door control switch assembly. Click here
(a) Disconnect the 4A and 4D instrument panel junction block assembly connectors. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the instrument panel junction block assembly. Click here (b) Remove the main body ECU (multiplex network body ECU).
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Engine Assembly: Components
COMPONENTS ILLUSTRATION *A Type A *B Type B *1 FRONT FENDER APRON SEAL LH *2 FRONT FENDER APRON SEAL RH *3 FRONT LOWER BUMPER ABSORBER *4 FRONT WHEEL OPENING EXTENSION PAD LH *5 FRONT WHEEL OPENING EXTENSION PAD RH *6 NO. 1 ENGINE UNDER COVER *7 REAR ENGINE UNDER COVER LH *8 REAR ENGINE UNDER COVER ...