SFI SYSTEM, Diagnostic DTC:P06579E

DTC Code DTC Name
P06579E Actuator Supply Voltage "A" Stuck On

MONITOR DESCRIPTION

The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage is usually 0 V when the engine switch is turned off. If the output voltage is 7 V or higher when the engine switch is turned off, the ECM illuminates the MIL and stores this DTC when the engine switch is turned on (IG).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P06579E Actuator Supply Voltage "A" Stuck On A throttle actuator power supply error (1 trip detection logic). ECM Comes on DTC stored SAE Code: P0657

MONITOR STRATEGY

Required Sensors/Components ECM
Frequency of Operation Once per driving cycle

CONFIRMATION DRIVING PATTERN


  1. Connect the GTS to the DLC3.

  2. Turn the engine switch on (IG).

  3. Turn the GTS on.

  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

  5. Turn the GTS off.

  6. Turn the engine switch off.

  7. Disconnect the GTS.

  8. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

  9. Connect the cable to the negative (-) battery terminal.

  10. Turn the engine switch on (IG) [A].

  11. Wait 10 seconds or more.

  12. Turn the engine switch off [B].

  13. Wait 15 seconds or more.

  14. Connect the GTS to the DLC3.

  15. Turn the engine switch on (IG).

  16. Turn the GTS on.

  17. Wait 5 seconds or more [C].

  18. Enter the following menus: Powertrain / Engine / Trouble Codes [D].

  19. Read the pending DTCs.

    Tech Tips


    • If a pending DTC is output, the system is malfunctioning.

    • If a pending DTC is not output, perform the following procedure.

  20. Enter the following menus: Powertrain / Engine / Utility / All Readiness.

  21. Input the DTC: P06579E.

  22. Check the DTC judgment result.

    GTS Display Description
    NORMAL

    • DTC judgment completed

    • System normal
    ABNORMAL

    • DTC judgment completed

    • System abnormal
    INCOMPLETE

    • DTC judgment not completed

    • Perform driving pattern after confirming DTC enabling conditions

    Tech Tips


    • If the judgment result is NORMAL, the system is normal.

    • If the judgment result is ABNORMAL, the system is malfunctioning.

    • If the judgment result is INCOMPLETE, perform steps [B] through [D] again.

CAUTION / NOTICE / HINT

Note

After turning engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here

Tech Tips

Read freeze frame data using the GTS. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTC.


      Powertrain > Engine > Clear DTCs

    5. Turn the engine switch off.

      Result
      Proceed to
      NEXT

    NEXT

  2. READ OUTPUT DTC (DTC P06579E)


    1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

    2. Connect the cable to the negative (-) battery terminal.

    3. Turn the engine switch on (IG).

    4. Wait 10 seconds or more.

    5. Turn the engine switch off.

    6. Wait 15 seconds or more.

    7. Connect the GTS to the DLC3.

    8. Turn the engine switch on (IG).

    9. Turn the GTS on.

    10. Wait 5 seconds or more.

    11. Enter the following menus: Powertrain / Engine / Trouble Codes.

    12. Read the DTCs.


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTC P06579E is output B

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

    B

    REPLACE ECM Click here