LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2025 >> Crown Signia XLE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> ECM >> Removal [06/2024 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal [06/2024 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [06/2024 - ]

  2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 3

  3. REMOVE ECM 
    1. GTY1246449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
      1. Rotate the 2 levers while pushing the locks, and disconnect the 2 ECM connectors.
        NOTE:

        After disconnecting the ECM connectors, make sure that dirt, water and other foreign matter does not contact the connecting parts of the ECM connectors.

      2. Remove the bolt and disengage the clamp to separate the engine wire.
      3. Remove the bolt, 2 nuts and ECM.
        NOTE:

        If the ECM has been struck or dropped, replace it.

  4. REMOVE ECM BRACKET 
    1. GTY1155350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 2 ECM BRACKET 
    1. GTY1139544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002