DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 55 (Engine Control System (A25A-FXS) - Diagnostic Codes (P2270-P2610)) >> SFI System >> DTC P22AB-11: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 2 Circuit Short to Ground; DTC P22AB-12: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 2 Circuit Short to Battery; DTC P22AB-13: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 2 Circuit Open; DTC P22AB-16: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 2 Circuit Voltage Below Threshold; DTC P22AB-17: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 2 Circuit Voltage Above Threshold; DTC P22B2-11: A/F (O2) Sensor Negative Current Control Bank 1 Sensor 2 Circuit Short to Ground; DTC P22B2-12: A/F (O2) Sensor Negative Current Control Bank 1 Sensor 2 Circuit Short to Battery [11/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Vehicle Control History may be stored in the hybrid vehicle control ECU if the engine is malfunctioning. Certain vehicle condition information is recorded when Vehicle Control History is stored. Reading the vehicle conditions recorded in both the Freeze Frame Data and Vehicle Control History can be useful for troubleshooting.

    Refer to VEHICLE CONTROL HISTORY [11/2023 - ]

    (Select Powertrain in Health Check and then check the time stamp data.)

    Refer to DTC CHECK / CLEAR [11/2023 - ]

  • If any "Engine Malfunction" Vehicle Control History item has been stored in the hybrid vehicle control ECU, make sure to clear it. However, as all Vehicle Control History items are cleared simultaneously, if any Vehicle Control History items other than "Engine Malfunction" are stored, make sure to perform any troubleshooting for them before clearing Vehicle Control History.

    Refer to VEHICLE CONTROL HISTORY [11/2023 - ]

HINT: