2008 Toyota Matrix Base, StandardFACTORY OEM SERVICE PROCEDURE

Engine Control System (1ZZ-FE): ECM: Removal

  1. DISCONNECT BATTERY NEGATIVE TERMINAL 
  2. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY 
    1. Remove the screw [A] from the glove compartment door stoppers.
      2. Fig 1: Identifying Glove Compartment Door Assembly
      G05192731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Deform the upper part of the glove compartment door assembly to release the stoppers [B].
    3. Pull the glove compartment door assembly upward to remove it.
  3. REMOVE ECM 
    1. Remove the 2 clips using a clip remover, then open the cover.
      Fig 2: Identifying Clips Using Clip Remover
      G05192732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 4 ECM connectors [B].
      3. Fig 3: Identifying ECM Connectors
      G05192733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the wire harness from the wire harness clamp [C].
    4. Remove the 2 screws [D].
      5. Fig 4: Identifying ECM Screws, Claw And Clip
      G05192734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Unfasten the claw and clip, and then remove the ECM.
  4. REMOVE ECM COVER 
    1. Remove the ECM cover from the ECM.
      Fig 5: Identifying Denso And Delco Made ECM Cover
      G05192735Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE ECM BRACKET NO. 1 (for DELCO Made) 
    1. Remove the 4 screws, then remove the ECM bracket No. 1.
      Fig 6: Identifying Screws And ECM Bracket No. 1 (For Delco Made)
      G05192736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE ECM BRACKET NO. 1 (for DENSO Made) 
    1. Remove the 2 screws, then remove the ECM bracket No. 1.
      Fig 7: Identifying Screws And ECM Bracket No. 1 (For DENSO Made)
      G05192737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ECM BRACKET NO. 2 (for DENSO Made) 
    1. Remove the 2 screws, then remove the ECM bracket No. 2.
      Fig 8: Identifying Screws And ECM Bracket No. 2 (For Denso Made)
      G05192738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE ECM BRACKET NO. 3 (for DENSO Made) 
    1. Remove the 2 screws, then remove the ECM bracket No. 3.
      Fig 9: Identifying Screws And ECM Bracket No. 3 (For Denso Made)
      G05192739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.