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Home >> Lexus >> 2016 >> ES 300h >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (Service Information) >> Mass Air Flow Meter >> On-Vehicle Inspection [07/2015 - ] >> Procedure

On-Vehicle Inspection [07/2015 - ]: Procedure

  1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY 
    NOTE:
    • Perform the inspection with the vehicle indoors and on a level surface.
    • 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).
    • During the test, do not use an exhaust air duct on the exhaust pipe.
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG) (do not start the hybrid system).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF.
    5. Wait 30 seconds, and read the values on the Techstream.

      Standard

      Item Condition Specified Condition
      MAF
      • Engine not running
      • 30 seconds after turning power switch on (IG)
      0.50g/sec. or less

      If the result is not as specified, replace the mass air flow meter sub-assembly.

      If the result is as specified, inspect the mass air flow meter sub-assembly (Refer to INSPECTION [07/2015 - ] ).