LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2024 >> GX 550 Overtrail >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> ECM >> Removal [12/2023 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal [12/2023 - ]: Procedure

  1. PRECAUTION 
    NOTE:

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

    Refer to BEFORE DISCONNECTING BATTERY [12/2023 - ]

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to REMOVAL [12/2023 - ]

  3. REMOVE AIR CLEANER ASSEMBLY LH WITH AIR CLEANER HOSE ASSEMBLY LH 

    Refer to PROCEDURE - Step 3

  4. REMOVE ECM 
    1. GTY1212638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
      1. Detach the 2 wire connector clamps.
      2. Rotate the 3 levers while pushing the locks, and disconnect the 3 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.

      3. Detach the 2 wire harness clamps.
      4. Remove the 3 bolts and ECM.
        NOTE:

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

  5. REMOVE NO. 2 ECM BRACKET 
    1. GTY1215352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 1 ECM BRACKET 
    1. GTY1215355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002