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 Service & Repair Manual > Pre-collision System(for Gasoline Model): Lost Communication with Driving Support ECU (U1104)
DESCRIPTION The driving support ECU assembly is connected to the millimeter wave radar sensor assembly, forward recognition camera and skid control ECU (brake actuator assembly) via CAN communication. If communication with the millimeter wave radar sensor assembly, forward recognition camera or skid ...
