DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (1 Of 6) >> SFI System >> DTC P0036-12: HO2S Heater Control Circuit Bank 1 Sensor 2 Circuit Short to Battery; DTC P0036-14: HO2S Heater Control Circuit Bank 1 Sensor 2 Circuit Short to Ground or Open; DTC P0056-12: HO2S Heater Control Bank 2 Sensor 2 Circuit Short to Battery; DTC P0056-14: HO2S Heater Control Bank 2 Sensor 2 Circuit Short to Ground or Open; DTC P0141-18: O2 Sensor Heater Circuit Bank 1 Sensor 2 Circuit Current Below Threshold; DTC P0161-18: O2 Sensor Heater Circuit Bank 2 Sensor 2 Circuit Current Below Threshold; DTC P102A-9E: O2 Sensor Heater Performance Bank 1 Sensor 2 Stuck On; DTC P105A-9E: O2 Sensor Heater Performance Bank 2 Sensor 2 Stuck On [12/2019 - 10/2022] >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT: 

GTY843405Courtesy 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. Start the engine and idle it for 5 minutes or more [B].
  9. With the vehicle stationary, depress the accelerator pedal and maintain an engine speed of 3000 rpm for 1 minute [C].
  10. Idle the engine for 5 minutes or more [D].
  11. Enter the following menus: Powertrain / Engine / Trouble Codes [E].
  12. 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.
  13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  14. Input the DTC: P0036-12, P0036-14, P0056-12, P0056-14, P0141-18, P0161-18, P102A-9E or P105A-9E.
  15. 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 is NORMAL, the system is normal.
    • If the judgment result is ABNORMAL, the system has a malfunction.
    • If the judgment result is INCOMPLETE, perform steps [B] through [E] again.
    • [A] to [E]: 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.