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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Engine Control System (A25A-FXS) - Diagnostic Codes (P008B-P0110)) >> SFI System >> DTC P00D5-62: A/F (O2) Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2 Signal Compare Failure [10/2022 - 11/2023] >> Procedure

DTC P00D5-62: A/F (O2) Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2 Signal Compare Failure [10/2022 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P00D5-62) 
    1. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P00D5-62 is output A
      DTC P00D5-62 and P2195-19 or P2196-18 are output B
      DTC P00D5-62 and P2270-19 or P2271-18 are output C
      DTC P00D5-62 and other DTCs are output D

      HINT: 

      • If any DTCs other than P00D5-62 are output, troubleshoot those DTCs first.
      • Perform "Inspection After Repair" after replacing the air fuel ratio sensor (sensor 1) and air fuel ratio sensor (sensor 2).

        Refer to INITIALIZATION [10/2021 - ]

    Result: 

    REPLACE AIR FUEL RATIO SENSOR (SENSOR 1) AND AIR FUEL RATIO SENSOR (SENSOR 2) 

    Air fuel ratio sensor (sensor 1):

    Refer to REMOVAL [12/2019 - ]

    Air fuel ratio sensor (sensor 2):

    Refer to REMOVAL [12/2019 - ]

    Result: 

    GO TO DTC P2195-19, P2196-18 

    Refer to DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P2195-24: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P2196-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P2196-23: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [10/2022 - 11/2023]

    Result: 

    GO TO DTC P2270-19, P2271-18 

    Refer to DTC P2270-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 Circuit Current Above Threshold; DTC P2271-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 Circuit Current Below Threshold [10/2022 - 11/2023]

    Result: 

    GO TO DTC CHART  . Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2023]