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
Check Mode Procedure
WARNING: This page is about a different variant/trim than selected.
HINT:
Techstream:
Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect the malfunctions that cannot be detected in normal mode.
NOTE:
All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from ON to ACC or off while in check mode. Before changing modes, always check and note any DTCs and freeze frame data.
- CHECK MODE PROCEDURE
- Check and ensure the following conditions:
- Battery voltage 11 V or more.
- Throttle valve fully closed.
- Transmission in the P or N (neutral) position.
- A/C switch OFF.
- Turn the ignition switch off.
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Utility / Check Mode.
- Switch the ECM from normal mode to check mode.
- Make sure the MIL flashes as shown in the illustration.
- Start the engine.
- Make sure the MIL turns OFF.
- Simulate the conditions of the malfunction described by the customer.
- Check DTCs and freeze frame data using the Techstream.
- Check and ensure the following conditions:
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.
