MASS AIR FLOW METER ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY

   Tech Tips

   Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly Click here.

   
   

   1. Read the value using the GTS (Mass Air Flow Sensor).

      Note

      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 GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor.

      5. Wait for 30 seconds, and read the value on the GTS.

         Standard Condition
         GTS Display Condition Specified Condition Mass Air Flow Sensor Idling (After the engine warms up) 1.0 to 4.0 gm/sec 2000 rpm (After the engine warms up) 4.1 to 8.1 gm/sec 3000 rpm (After the engine warms up) 6.2 to 11.2 gm/sec

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

         If the result is within the specified range, inspect the mass air flow meter sub-assembly Click here.

2. PERFORM INITIALIZATION

   
   

   1. Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly Click here.