2009 Toyota Yaris S, 4D HatchbackFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. READ OUTPUT DTC (DTC P0607) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester ON.
    4. Clear DTCs (See DTC CHECK/CLEAR  ).
    5. Turn the ignition switch to OFF and turn the tester OFF.
    6. Disconnect the tester.
    7. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute.
    8. Connect the cable to the battery negative (-) terminal.
    9. Connect the tester to the DLC3.
    10. Turn the ignition switch to ON.
    11. Turn the tester ON.
    12. Select the following menu items: Powertrain/Engine and ECT/Trouble Codes.
    13. Read DTCs.

      Result 

      RESULT REFERENCE

      Display (DTC Output) Proceed To
      No output A
      P0607 B

      B: REPLACE ECM (See  REMOVAL   ) 

      A: CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS   ) 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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