DESCRIPTION The occupant detection ECU receives signals from the acceleration sensor (airbag ECU assembly) and skid control ECU (brake actuator assembly) via CAN communication.
CAUTION / NOTICE / HINT NOTICE: After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Click here HINT:
PROCEDURE
(a) Check for electronically controlled brake system DTCs. Click here OK: DTCs are not output.
(a) Using the Techstream, check if the CAN communication system is functioning normally. OK: CAN communication system is functioning normally. HINT: Refer to Communication Bus Check in CAN Communication System. Click here
(a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG) and turn the Techstream on. (d) Enter the following menus: System Select / Health Check. OK: DTCs are not output.
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Toyota Avalon Service & Repair Manual > Hybrid Vehicle Control Ecu: Components
COMPONENTS ILLUSTRATION *1 HYBRID VEHICLE CONTROL ECU *2 NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - - ...