2010 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.

Factory service manual diagram




(b) Install the ECM with the 3 bolts.

Factory service manual diagram




Torque : 8.0 Nm (82 kgf-cm, 71 in-lbf)

(c) Connect the 2 ECM connectors.

Factory service manual diagram




(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.

Factory service manual diagram




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

HINT
Initialization cannot be completed by only removing the cable from the battery.

(a) Perform Reset Memory (AT initialization) when replacing the ECM. (for Automatic Transaxle)

HINT
* Programming and Relearning (for U250E)
* (for U140F)
(b) Perform Registration (VIN registration) when replacing the ECM Programming and Relearning.
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:

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

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