AUTOMATIC TRANSAXLE SYSTEM, Diagnostic DTC:P16B09F

DTC Code DTC Name
P16B09F Actuator Cut Circuit Stuck Off

DESCRIPTION

The ECM monitors its internal operation. If it detects a malfunction, the electronic throttle motor circuit inside the ECM is shut off to ensure the safety of the vehicle.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P16B09F Actuator Cut Circuit Stuck Off ECM main CPU malfunction (1 trip detection logic). ECM Comes on DTC stored

SAE Code:

P16B0

MONITOR DESCRIPTION

When the EFI main relay is operated by the ECM after the ignition switch is turned off, if the electronic throttle motor circuit is detected as not being shut off correctly, the ECM will illuminate the MIL and store this DTC.

CONFIRMATION DRIVING PATTERN

Tech Tips

After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.


  1. Connect the GTS to the DLC3.

  2. Turn the ignition switch to ON and turn the GTS on.

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

  4. Turn the ignition switch off and wait for 2 minutes or more.

  5. Turn the ignition switch to ON and turn the GTS on.

  6. Enter the following menus: Powertrain / Transmission / Utility / All Readiness.

  7. Input the DTC: P16B09F.

  8. 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
    N/A

    • Unable to perform DTC judgment

    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    Tech Tips


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

    • If the judgment result shows ABNORMAL, the system has a malfunction.

    • If the judgment result shows INCOMPLETE or N/A, perform the Confirmation Driving Pattern and check the DTC judgment result again.

CAUTION / NOTICE / HINT

Note


  • Perform registration and/or initialization when parts related to the automatic transaxle are replaced.

    Click here

  • After turning the ignition 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

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Clear the DTCs.


      Powertrain > Transmission > Clear DTCs

      Tech Tips

      Write down the currently output DTCs before clearing them.

    5. Turn the ignition switch off.

      Result
      Proceed to
      NEXT

    NEXT

  2. READ OUTPUT DTC (DTC P16B09F)


    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 ignition switch to ON and wait for 1 minute or more.

    4. Turn the ignition switch off and wait for 2 minutes or more.

      Tech Tips

      This DTC is detected after the ignition switch is turned off.

    5. Connect the GTS to the DLC3.

    6. Turn the ignition switch to ON.

    7. Turn the GTS on.

    8. Enter the following menus: Powertrain / Transmission / Trouble Codes.


      Powertrain > Transmission > Trouble Codes

    9. Read the DTCs using the GTS.

      Result
      Result Proceed to
      DTCs are not output A
      DTC P16B09F is output B

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

    B

  3. REPLACE ECM


    1. Replace the ECM.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM REGISTRATION Click here