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Home › Lexus › 2008 › IS 250 AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (4GR-FSE) - DTC P0010 - P0159 › DTC P0111 Intake Air Temperature Sensor Gradient Too High › Inspection Procedure

Inspection Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111) 
    1. Connect Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the tester on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Read DTCs.

    Result 

    RESULT CHART

    Display (DTC Output) Proceed to
    P0111 and other DTCs A
    P0111 B

    HINT:

    If any DTCs other than P0111 are output, troubleshoot those DTCs first.

    B: REPLACE MASS AIR FLOW METER 

    A:  GO TO DTC CHART

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