DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (6 Of 6) & Circuit Tests (1 Of 2) >> SFI System >> DTC P2120-12: Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Battery; DTC P2120-14: Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Ground or Open; DTC P2120-1C: Throttle/Pedal Position Sensor/Switch "D" Circuit Voltage Out of Range; DTC P2120-1F: Throttle/Pedal Position Sensor/Switch "D" Circuit Intermittent; DTC P2120-99: Throttle/Pedal Position Sensor/Switch "D" Exceeded Learning Limit; DTC P2125-12: Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Battery; DTC P2125-14: Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Ground or Open; DTC P2125-1F: Throttle/Pedal Position Sensor/Switch "E" Circuit Intermittent; DTC P2138-2B: Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation Signal Cross Coupled [12/2019 - 10/2022] >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT: 

P2120-12, P2120-14, P2120-1F, P2125-12, P2125-14, P2125-1F and P2138-2B 

GTY913606Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the GTS to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the GTS on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the ignition switch off and wait for at least 30 seconds.
  6. Turn the ignition switch to ON [A].
  7. Turn the GTS on.
  8. Fully depress and release the accelerator pedal [B].
  9. Check that 5 seconds or more have elapsed since the ignition switch is turned ON.
  10. Enter the following menus: Powertrain / Engine / Trouble Codes [C].
  11. Read the pending DTCs.

    HINT: 

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  12. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  13. Input the DTC: P2120-12, P2120-14, P2120-1F, P2125-12, P2125-14, P2125-1F or P2138-2B.
  14. 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

    HINT: 

    • 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 is INCOMPLETE, perform steps [B] through [C] again.
    • [A] to [C]: Normal judgment procedure.

      The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

    • When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.

P2120-1C and P2120-99 

GTY889721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the GTS to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the GTS on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the ignition switch off and wait for at least 30 seconds.
  6. Turn the ignition switch to ON [A].
  7. Turn the GTS on.
  8. Wait for 5 seconds after turning the ignition switch to ON.
  9. Operate the accelerator pedal in accordance with the following procedure [B].
    1. Enter the following menus: Powertrain / Engine / Data List / Accelerator Position Sensor No. 1 Voltage % and Accelerator Position Sensor No. 2 Voltage %.
    2. Slowly depress the accelerator pedal until Accelerator Position Sensor No. 1 Voltage % is approximately 30% and Accelerator Position Sensor No. 2 Voltage % is approximately 46%, then slowly release the accelerator pedal.
  10. Enter the following menus: Powertrain / Engine / Trouble Codes [C].
  11. Read the pending DTCs.

    HINT: 

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  12. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  13. Input the DTC: P2120-1C or P2120-99.
  14. 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

    HINT: 

    • If the judgment result shows 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 [C] again.
    • [A] to [C]: Normal judgment procedure.

      The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

    • When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.