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.
2010 Toyota Matrix FWD L4-2.4L (2AZ-FE)FACTORY OEM SERVICE PROCEDURE
Removal
2AZ-FE ENGINE CONTROL: ECM: REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Removal
3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE Removal
4. REMOVE AIR CLEANER CASE Removal
5. REMOVE ECM
(a) Separate the wire harness clamp.
(b) Disconnect the 2 ECM connectors.
(1) Push the locks on the 2 levers, then raise the levers, and disconnect the 2 ECM connectors.
NOTICE:
After disconnecting the connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the connectors.
(c) Remove the 3 bolts and the ECM.
(d) Remove the 4 screws and 2 ECM brackets.
Factory Service Tools
Use the Manual With the Right Hardware
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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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