ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.
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(a) Read the value of Data List item "MAF" using the GTS.
NOTICE:
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) Vehicle is made into the following state.
(2) Connect the GTS to the DLC3.
(3) Start the engine.
(4) Turn the GTS on.
(5) Enter the following menus: Powertrain / Engine and ECT / Data List / MAF.
Powertrain > Engine > Data List
Tester Display |
---|
Mass Air Flow Sensor |
(6) According to the display on the GTS, read the Data List when the engine is running.
Standard Condition:
GTS Display | Condition |
Specified Condition |
---|---|---|
MAF | Idling (engine warmed up) |
1.5 to 3.3 gm/sec |
3000 rpm (without load) |
8.0 to 13.0 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, remove and inspect the mass air flow meter sub-assembly.
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2. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.
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