Mass Air Flow Meter On-Vehicle Inspection

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
1Gr-Fe Engine Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. INSPECT MASS AIR FLOW METER

Mass Air Flow Meter -- On-Vehicle Inspection


NOTICE:
  1. Perform the mass air flow meter inspection according to the procedures below.
  2. Only replace the mass air flow meter when the mass air flow value in the Data List (with the engine stopped) is not within the normal operating range or there is foreign matter on the mass air flow meter platinum hot wire (heater).


1. INSPECT MASS AIR FLOW METER

  1. Read the value using the GTS.

    NOTICE:
    1. Perform the inspection with the vehicle indoors and on a level surface.
    2. Perform the inspection of the mass air flow meter while it is installed to the air cleaner case (installed to the vehicle).
    3. During the test, do not use the exhaust air duct to apply suction to the exhaust pipe.

    1. Turn the ignition switch to ON.

    2. Turn the GTS on.

    3. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF.

    4. Wait 30 seconds and read the value on the GTS.

      Standard:
      Item
      		Condition
      		Specified Condition
      MAF
      1. Engine not running
      1. 30 seconds after ignition switch is turned to ON
      		0.8 g/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 (Click here).