MASS AIR FLOW METER(w/ Glow Plug Controller) ON-VEHICLE INSPECTION
PROCEDURE
INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
Read the value using the GTS (MAF).
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).
Connect the GTS to the DLC3.
Start the engine.
Turn the GTS on.
Enter the following menus: Powertrain / Engine and ECT / Data List / MAF.
Powertrain > Engine and ECT > Data List
Tester Display
MAF
Wait for 30 seconds, and read the value on the GTS.
Standard Condition
Tester Display
Condition
Specified Condition
MAF
Idling
3 to 10 gm/sec
2000 rpm
10 to 25 gm/sec
3000 rpm
30 to 50 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.