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Home >> Lexus >> 2016 >> CT 200h Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 3) >> SFI System >> DTC P0607: Control Module Performance [08/2014 - ] >> Procedure
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DTC P0607: Control Module Performance [08/2014 - ]: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0607) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Read the DTCs.
      RESULT

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

    Result:  B

    B 

    See step  3

    Result:  A

    A 

    See step  2

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

      HINT: 

    Result:  NEXT

    NEXT 

    See step  6

  3. CHECK FOR EXHAUST GAS LEAK 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Put the engine in inspection mode (maintenance mode) (See article. Refer to INSPECTION MODE PROCEDURE [08/2014 - ] ).
    5. Start the engine.
    6. Allow the engine to idle and rev the engine.
    7. 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, 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.
      • Perform "Inspection After Repair" after repairing or replacing the exhaust system (See article. Refer to INITIALIZATION [08/2014 - ] ).

    Result:  NEXT

    NEXT 

    See step  4

  4. PERFORM CONFIRMATION DRIVING PATTERN 
    GTY393385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Clear the DTCs (See article. Refer to DTC CHECK / CLEAR [08/2014 - ] ).
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG) and turn the Techstream on.
    4. Put the engine in inspection mode (maintenance mode) (See article. Refer to INSPECTION MODE PROCEDURE [08/2014 - ] ).
    5. Start the engine.
    6. Warm up the engine until the engine coolant temperature becomes 75°C (167°F) or higher.
    7. 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 between 60 and 80 km/h (37 and 50 mph) for 5 minutes.
    8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    9. Read the DTCs.
      RESULT

      Result Proceed to
      DTC P0607 and P0136, P0137 or P0138 are output A
      Only P0607 is output B
      DTC is not output C

    Result:  B

    B 

    REPLACE ECM 

    (See article. Refer to REMOVAL [08/2014 - ] )

    Result:  C

    C 

    See step  6

    Result:  A

    A 

    See step  5

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

      HINT: 

    Result:  NEXT

    NEXT 

    See step  6

  6. INSPECT ECM 
    1. Clear the DTCs (See article. Refer to DTC CHECK / CLEAR [08/2014 - ] ).
    2. Stop the engine and wait for 30 minutes.
    3. Connect the Techstream to the DLC3.
    4. Turn the power switch on (IG) and turn the Techstream on.
    5. Put the engine in inspection mode (maintenance mode) (See article. Refer to INSPECTION MODE PROCEDURE [08/2014 - ] ).
    6. Start the engine and allow it to idle for 2 minutes.
    7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    8. Check the DTCs.
      RESULT

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

    Result:  A

    A 

    END 

    Result:  B

    B 

    REPLACE ECM 

    (See article. Refer to REMOVAL [08/2014 - ] )

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