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Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System Descriptions And Testing, On-Vehicle Inspection, Removal And Installation >> Mass Air Flow Meter >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. CHECK MASS AIR FLOW METER 
    1. 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 / Data List / All Data / MAF.
      5. Blow air into the MAF meter, and check that the MAF value fluctuates.

        If the result is not as specified, check the MAF meter (See REMOVAL ), or wiring and ECM (See DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT; DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT ).

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