Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2009 Toyota Avalon LimitedFACTORY OEM SERVICE PROCEDURE

Engine Control System (2GR-FE): ECM: Installation

INSTALL ECM
1. Install the 2 ECM brackets with the 4 screws.
  Torque: 3.0 N*m (31 kgf*cm, 27 in.*lbf)
  
  Fig 1: Locating ECM Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the 2 ECM connectors.
  NOTE: When connecting the connectors, make sure that dirt, water or other foreign matter is not stuck between the connectors and other parts.
  1. Connect the 2 ECM connectors and lower the 2 levers.
    NOTE: Make sure that the 2 levers are securely lowered.

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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.