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.
2006 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE
Engine Control System: ECM: Removal
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
- REMOVE FRONT DOOR SCUFF PLATE RH (See REMOVAL )
- REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH (See REMOVAL )
- REMOVE INSTRUMENT PANEL UNDER COVER SUBASSEMBLY NO.2 (See REMOVAL )
- REMOVE INSTRUMENT PANEL FINISH LOWER PANEL RH (See REMOVAL )
- REMOVE ECM
- Disconnect the 5 connectors from the ECM.
- Remove the 2 nuts, bolt and ECM.
- Remove the 2 screws to separate the ECM bracket from the ECM.
- Remove the 2 screws to separate the ECM bracket No. 2 from the ECM.
Factory Service Tools
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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.
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