MASS AIR FLOW METER ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK MASS AIR FLOW METER

   
   

   1. Check the mass air flow value.

      
      

      1. Connect the intelligent tester to the DLC3.

      2. Turn the ignition switch to ON.

      3. Turn the intelligent tester on.

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

      5. 

         Blow air into the MAF meter and check that the MAF value fluctuates.

         If the result is not as specified, check the MAF meter, or wiring and ECM.

         
         

         • w/ DPF: Click here

         • w/o DPF: Click here