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 Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Inspection Procedure
- CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY)
- Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.
OK:
Proper ECUs are installed .
Result
RESULT CHARTResult Proceed to OK (for 2AZ-FE) A OK (for 22R-FE) B NG C B: REPLACE ECM (for 2ZR-FE) (See INSTALLATION )
C: REPLACE ECUS WITH PROPER ONES
A: REPLACE ECM (for 2AZ-FE) (See REMOVAL )
- Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.
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.