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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 (Meter / Gauge System (Except 12.3 Inch) Symptom Tests (2 Of 2) & Circuit Tests) >> METER / GAUGE SYSTEM (except 12.3 Inch Display) >> Engine Oil Pressure Switch Circuit [11/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota GR Corolla, 2025 Toyota Corolla, 2024 Toyota GR Corolla, 2024 Toyota Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • The following troubleshooting procedure is based on the assumption that the SFI system and hybrid control system are normal. Confirm that the SFI system and hybrid control system are not malfunctioning before performing the following procedure.

    SFI system: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2019 - ]

    Hybrid control system: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ]

  • When replacing the combination meter assembly, update the ECU security key.

    Refer to UPDATE ECU SECURITY KEY [09/2022 - ]

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