LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 706 (Engine Control System (SFI) (3MZ-FE)) >> ECM >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Section 706 (Engine Control System (SFI) (3MZ-FE)): ECM: Replacement

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCONNECT BATTERY NEGATIVE TERMINAL 
  2. REMOVE FRONT DOOR SCUFF PLATE RH (See  REPLACEMENT  ) 
  3. REMOVE COWL SIDE TRIM SUB-ASSY RH (See  REPLACEMENT  ) 
  4. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 1 (See  REPLACEMENT  ) 
  5. REMOVE INSTRUMENT PANEL FINISH LOWER PANEL RH (See  REPLACEMENT  ) 
  6. REMOVE ECM 
    1. Remove the 2 wire harness clamps.
    2. Disconnect the 5 ECM connectors.
    3. Remove the 2 nuts and ECM.
    Fig 1: Removing ECM
    G02588784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ECM BRACKET 
    1. Remove the 2 screws and ECM bracket.
    Fig 2: Removing ECM Bracket
    G02588785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE ECM BRACKET NO. 2 
    1. Remove the 2 screws and ECM bracket.
      Fig 3: Removing ECM Bracket No. 2
      G02588786Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL ECM BRACKET NO. 2 
    1. Install the ECM bracket with the 2 screws.
      Fig 4: Installing ECM Bracket No. 2
      G02588787Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL ECM BRACKET 
    1. Install the ECM bracket with the 2 screws.
  11. INSTALL ECM 
    1. Install the 2 wire harness clamps.
    2. Connect the 5 ECM connectors.
    3. Install the ECM with the 2 nuts.

      Torque: 5.5 N.m (56 kgf.cm, 49 in.lbf) 

    Fig 5: Installing ECM
    G02588788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSTALL INSTRUMENT PANEL FINISH LOWER PANEL RH (See  REPLACEMENT  ) 
  13. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 1 (See  REPLACEMENT  ) 
  14. INSTALL COWL SIDE TRIM SUB-ASSY RH (See  REPLACEMENT  ) 
  15. INSTALL FRONT DOOR SCUFF PLATE RH (See  REPLACEMENT  ) 
  16. CONNECT BATTERY NEGATIVE TERMINAL 
  17. INITIALIZE SYSTEM (See  INITIALIZATION  ) 
scientia non olet · About LEMON Manuals