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Home >> Lexus >> 2011 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> ECM >> Removal (08/2010 - 08/2011) >> Removal
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Removal (08/2010 - 08/2011): Removal

  1. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 1
  2. REMOVE ENGINE ROOM SIDE COVER RH  . Refer to REMOVAL - Step 2
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:
    • After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
    • When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
  4. DISCONNECT CONNECTOR HOLDER BLOCK 
    1. Remove the 3 bolts and move the connector holder block so that the ECM can be removed in the next step.
      Fig 1: Locating Connector Holder Block Bolts
      GTY134039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE ECM 
    1. Raise the 2 levers while pushing the locks on the 2 levers.
      NOTE:

      Make sure that the lock levers are raised 90° as shown in the illustration before disconnecting the connectors. Failure to do this may cause the connectors to break.

      Fig 2: Pushing Locks On Levers
      GTY351380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 2 connectors.
    3. Remove the 4 bolts and ECM.
      Fig 3: Locating ECM Bolts
      GTY131557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE GASKET 
    1. Peel off the gasket.
      Fig 4: Removing ECM Gasket
      GTY354978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Spray gasket remover or equivalent on the remaining tape of the gasket.
      Fig 5: Spraying Gasket Remover
      GTY348444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      When using gasket remover or equivalent, cover the ECM connectors with a cloth.

    3. Remove the tape of the gasket without using bladed objects.
      Fig 6: Identifying Tape
      GTY360596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002