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Home >> Toyota >> 2011 >> Tundra Base, 5.7 W >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (3UR-FBE) (Diagnostic Codes P0335-P2103) >> SFI System >> DTC P0607: Control Module Performance >> Procedure

DTC P0607: Control Module Performance: Procedure

  1. CHECK 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 menu: Powertrain / Engine and ECT / Trouble Codes.
    5. Read the DTCs, refer to DTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      P0607 and P0136, P0137, P0138, P0156, P0157 or P0158 are output A
      P0607 is output B

    B → See step   3 

    A: Go to next step 

  2. INSPECT DTC (P0136, P0137, P0138, P0156, P0157 OR P0158) 
    1. Inspect the P0136, P0137, P0138, P0156, P0157 or P0158 flowchart.

      HINT: 

    NEXT → See step   6 

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

      If any exhaust gas leaks are present, repair it 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, a malfunction in the heated oxygen sensor circuit is suspected.
      • 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: Performing Driving Pattern
    GTY185985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the Techstream to the DLC3.
    2. Clear DTC, refer to DTC CHECK / CLEAR .

      HINT: 

      Even if no DTCs are stored, perform the DTC clear operation to start alcohol concentration learning.

    3. Start the engine.

      HINT: 

      After clearing the DTCs, the engine may become difficult to start if the concentration of alcohol in the fuel is high. Therefore, it may be necessary to crank the engine a few times before it starts.

    4. Warm up the engine until the engine coolant temperature becomes 75°C (167°F) or more.
    5. Drive the vehicle at 32 km/h (20 mph) or more for 2 minutes.
    6. Make sure that the Data List "Alcohol Density Learning" is "Compl".
    7. Perform the drive pattern.
      1. Accelerate the vehicle to 80 km/h (50 mph) and stop the vehicle.
      2. Drive the vehicle between 56 and 80 km/h (35 and 50 mph) for 5 minutes.
    8. Enter the following menu: Powertrain / Engine and ECT / Trouble Codes.
    9. Read the DTCs.
      RESULT

      Result Proceed to
      P0136, P0137, P0138, P0156, P0157, P0158 and/or P0607 A
      Only P0607 B
      No DTC output C

    C → See step   6 

    B → See step   7 

    A: Go to next step 

  5. INSPECT DTC (P0136, P0137, P0138, P0156, P0157 OR P0158) 
    1. Inspect the P0136, P0137, P0138, P0156, P0157 or P0158 flowchart.

      HINT: 

    NEXT: Go to next step 

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

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

    B → See step   8 

    A → END 

  7. REPLACE ECM. Refer to  REMOVAL 
  8. REPLACE ECM. Refer to  REMOVAL 
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