ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Click here (a) Read the value of Data List item "Mass Air Flow Sensor" using the Techstream. NOTICE: Perform the inspection of the mass air flow meter sub-assembly while it is installed to the air cleaner cap sub-assembly (installed to the vehicle). (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Put the engine in Inspection Mode (Maintenance Mode). Powertrain > Hybrid Control > Utility
(5) Start the engine. (6) Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor. Powertrain > Engine > Data List
(7) According to the display on the Techstream, read the Data List when the engine is running. Standard Condition:
If the result is not as specified, replace the mass air flow meter sub-assembly. If the result is within the specified range, remove and inspect the mass air flow meter sub-assembly. Click here 2. PERFORM INITIALIZATION (a) Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppage (Low Battery Voltage) A video or audio signal ...
