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.
2007 Toyota Matrix XR, StandardFACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA REFERENCE CHART
| Intake air flow meter sub-assembly | ||
| Resistance 4 (THA) - 5 (E2) | Standard | 13.6 to 18.4 kΩ at -20°C (-4°F) 2.21 to 2.69 kΩ at 20°C(68°F) 0.493 to 0.667 kΩ at 60°C (140°F) |
| Camshaft timing oil control valve assembly | ||
| Resistance 1 (+B) - 2 (GND) | 6.9 to 7.9 Ω at 20°C (68°F) | |
| Throttle body assembly | ||
| Resistance | 1 (M-) - 2 (M+) | 0.3 to 100 Ω at 20°C(68°F) |
| 3 (E2) - 5 (VC) | 2.0 to 4.0 kΩ at 20°C (68°F) | |
| Accelerator pedal assembly | ||
| Resistance | 3(EP1)-6(VCP1) | 1.5 to 6.0 kΩ |
| 1 (EP2) - 4 (VCP2) | 1.5 to 6.0 kΩ | |
| E.F.I. Engine coolant temperature sensor | ||
| Resistance | 1 (E2) - 2 (THW) | 2.32 to 2.59 kΩ at 20°C (68°F) |
| 1 (E2) - 2 (THW) | 0.310 to 0.326 kΩ at 80°C (176°F) | |
| Knock control sensor | ||
| Resistance | 120 to 280 kΩ at 20°C (68°F) | |
| E.F.I. Circuit opening relay assembly | ||
| Resistance (3 - 5) | Standard | 10 kΩ or higher Below 1 Ω (Apply battery voltage to terminal 1 and 2) |
| E.F.I. ECU relay | ||
| Resistance (3 - 5) | Standard | 10 kΩ or higher Below 1 Ω (Apply battery voltage to terminal 1 and 2) |
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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