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.
2012 Toyota Matrix FWD L4-2.4L (2AZ-FE)FACTORY OEM SERVICE PROCEDURE
Installation
2AZ-FE ENGINE CONTROL: ECM: INSTALLATION
1. INSTALL ECM
(a) Install the 2 ECM brackets onto the ECM with the 4 screws.
(b) Install the ECM with the 3 bolts.
Torque : 8.0 Nm (82 kgf-cm, 71 in-lbf)
(c) Connect the 2 ECM connectors.
(1) Connect the 2 ECM connectors and lower the 2 levers.
NOTICE:
* When connecting the connectors, make sure that dirt, water or other foreign matter does not get caught between the connectors and other parts.
* Make sure that the 2 levers are securely locked.
(d) Install the wire harness clamp.
2. INSTALL AIR CLEANER CASE Installation
3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE Installation
4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY Installation
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. PERFORM INITIALIZATION
Repair Instruction - Initialization.
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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