LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> 86 Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (Service Information) >> Mass Air Flow Meter >> On-Vehicle Inspection [06/2016 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection [06/2016 - ]: Procedure

  1. INSPECT MASS AIR FLOW METER 
    1. Read the value using the Techstream.
      NOTE:
      • Perform the inspection with the vehicle indoors and on a level surface.
      • Perform the inspection of the mass air flow meter while it is installed to the air cleaner case (installed to the vehicle).
      • During the test, do not use the exhaust air duct to perform suction on the exhaust pipe.
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON.
      3. Turn the Techstream on.
      4. Enter the following menus: Data List / MAF.
      5. Wait for 30 seconds, and read the values on the Techstream.

        Standard

        Tester Display Condition Standard Condition
        MAF
        • Engine not running
        • 30 seconds after turning ignition switch to ON
        0.85 gm/sec or less
        • If the result is not as specified, replace the mass air flow meter.
        • If the result is within the specified range, inspect the mass air flow meter (See step  1).