RAV4 2WD L4-2.5L (2AR-FE) (2009)
Air Flow Meter/Sensor: Testing and Inspection
On-Vehicle Inspection
2AR-FE ENGINE CONTROL SYSTEM: MASS AIR FLOW METER: ON-VEHICLE INSPECTION
ON-VEHICLE INSPECTION
NOTICE:
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Perform the MAF meter inspection according to the procedures below.
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Only replace the MAF meter when the MAF value in the Data List (with the engine stopped) is not within the normal operating range or
there is foreign matter on the MAF meter platinum hot wire (heater).
1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON (do not run the engine).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF.
(e) Wait 30 seconds, and read the values on the Techstream.
Standard:
If the result is not as specified, replace the mass air flow meter sub-assembly.
If the result is as specified, inspect the mass air flow meter sub-assembly See: Inspection.