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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System (2ZR-FXE) - Service Information) >> ECM >> Removal [04/2020 - 09/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ECM removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Perform steering sensor zero point calibration Lane Control System (for HV Model) Refer to INITIALIZATION [01/2019 - 09/2022]
Pre-collision System (for HV Model)
Replacement of ECM Vehicle Identification Number (VIN) registration MIL comes on Refer to REGISTRATION [01/2019 - ]
NOTE:
  • After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
  • If the ECM has been struck or dropped, replace it.
  • Perform the Vehicle Identification Number (VIN) or frame number registration when replacing the ECM.

    Refer to REGISTRATION [01/2019 - ]