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, StandardFACTORY OEM SERVICE PROCEDURE
On-Vehicle Inspection
- INSPECT ACCELERATOR PEDAL
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Data List / Accelerator Position No. 1, Accelerator Position No. 2.
- Read the values displayed on the Techstream.
Accelerator Position No. 1 Standard Voltage
SPECIFIED CONDITION CHARTCondition Specified Condition Accelerator pedal is released 0.5 to 1.1 V Accelerator pedal is fully depressed 2.6 to 4.5 V Accelerator Position No. 2 Standard Voltage
SPECIFIED CONDITION CHARTCondition Specified Condition Accelerator pedal is released 1.2 to 2.0 V Accelerator pedal is fully depressed 3.4 to 5.0 V If the result is not as specified, check the accelerator pedal, wire harness and ECM.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.