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Inspection Procedure: Procedure

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OUTPUT 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Recheck for DTCs.

      OK

      DTC B279C is not reoutput.

      Result

      Result Proceed to
      DTC B279C is reoutput (for 2ZR-FE) A
      DTC B279C is reoutput (for 2AZ-FE) B
      DTC B279C is not reoutput C

    B → See step   4 

    A → See step   3 

    C → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  3. REPLACE ECM. Refer to  REMOVAL 
  4. REPLACE ECM. Refer to  REMOVAL