LX 570 V8-5.7L (3UR-FE) (2010)
Air Flow Meter/Sensor: Testing and Inspection
On-Vehicle Inspection
3UR-FE ENGINE CONTROL: MASS AIR FLOW METER: ON-VEHICLE INSPECTION
1. CHECK MASS AIR FLOW METER
(a) Check the mass air flow value.
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG).
(3) Turn the Techstream main switch 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.
(5) If the result is not as specified, check the MAF meter See: Inspection, or wiring and ECM See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/P Code Charts/P0102.