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) Start the engine. (3) Turn the Techstream on. (4) Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor. Powertrain > Engine > Data List
(5) 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 > Safety Connect System(for Hv Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Safety Connect System DTC No. Detection Item Link B1536 Short in Telephone SUB Antenna Circuit B1537 Open in Telephone SUB Antenna Circuit B1570 Manual (SOS) Switch Red Indicator Malfunction B1571 Manual (SOS) Switch Green Indicator Malfunction B1572 Telephone Microphon ...