REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during mass air flow meter sub-assembly removal/installation are shown below. Necessary Procedures After Parts Removed/Installed/Replaced
PROCEDURE 1. REMOVE MASS AIR FLOW METER SUB-ASSEMBLY
(b) Remove the 2 screws and mass air flow meter sub-assembly from the air cleaner cap sub-assembly. NOTICE: If the mass air flow meter sub-assembly has been struck or dropped, replace it. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): System Voltage or GND Energization Malfunction (B228B)
SYSTEM DESCRIPTION This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) battery power supply circuit or ground circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Note B228B System Voltage or GND Energization Malfunction A malfunction is d ...