2013 Scion tC Automatic TransFACTORY OEM SERVICE PROCEDURE

DTC P0607: Control Module Performance: Procedure

  1. CHECK FOR ANY OTHER DTCS OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs. Refer to DTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      P0607 and P0136, P0137 or P0138 are output A
      Only P0607 is output B

    B → See step   3 

    A: Go to next step 

  2. INSPECT DTC (P0136, P0137 OR P0138) 
    1. Refer to the P0136, P0137 or P0138 flowchart.

      HINT: 

    NEXT → See step   6 

  3. CHECK FOR EXHAUST GAS LEAK 
    1. Allow the engine to idle, and then rev the engine.
    2. Check for exhaust gas leaks around the heated oxygen sensor.

      If any exhaust gas leaks are present, repair them and proceed to "Perform Confirmation Driving Pattern". If no exhaust gas leaks are present, proceed to "Perform Confirmation Driving Pattern".

      HINT: 

      • If no exhaust gas leaks are present, there may be a malfunction in the heated oxygen sensor circuit.
      • If any exhaust gas leaks are present around the heated oxygen sensor, noise appears in the output voltage of the heated oxygen sensor.

    NEXT: Go to next step 

  4. PERFORM CONFIRMATION DRIVING PATTERN 
    Fig 1: Identifying Ignition Switch / Scantool Operation Graph
    GTY213877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Connect the Techstream to the DLC3.
    3. Start the engine.
    4. Warm up the engine until the engine coolant temperature becomes 75°C (167°F) or higher.
    5. Perform the driving pattern.
      WARNING:

      When performing the confirmation driving pattern, obey all speed limits and traffic laws.

      1. Accelerate the vehicle to 80 km/h (50 mph) and stop the vehicle.
      2. Drive the vehicle at a speed between 56 and 80 km/h (35 and 50 mph) for 5 minutes.
    6. Enter the following menus: Powertrain / Engine / Trouble Codes.
    7. Read the DTCs.
      RESULT

      Result Proceed to
      P0607 and P0136, P0137 or P0138 are output A
      Only P0607 is output B
      No DTC is output C

    B → See step   7 

    C → See step   6 

    A: Go to next step 

  5. INSPECT DTC (P0136, P0137 OR P0138) 
    1. Refer to the P0136, P0137 or P0138 flowchart.

      HINT: 

    NEXT: Go to next step 

  6. INSPECT ECM 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Stop the engine and wait for 30 minutes.
    3. Connect the Techstream to the DLC3.
    4. Start the engine and allow it to idle for 2 minutes.
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / Engine / Trouble Codes.
    7. Check the DTCs.
      RESULT

      Result Proceed to
      DTC is not output A
      P0607 is output B

    B → See step   7 

    A → END 

  7. REPLACE ECM. Refer to  REMOVAL 
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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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