PROCEDURE
CHECK MASS AIR FLOW METER SUB-ASSEMBLY
Check the mass air flow value.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Data List / Primary / MAF.
Blow air into the mass air flow meter and check that the mass air flow value fluctuates.
If the result is not as specified, check the wiring and ECM Click here.