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.
2013 Toyota Matrix Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Service Data
| Spark plug | Recommended spark plug | SC20HR11 DENSO made | |
| Standard Resistance | 10 MΩ or more | ||
| Electrode gap | 1.0 to 1.1 mm (0.0394 to 0.0433 in.) | ||
| Maximum electrode gap | 1.3 mm (0.0512 in.) for used plug | ||
| Camshaft timing oil control valve | 1 - 2 | Resistance: 6.9 to 7.9 Ω at 20°C (68°F) |
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| Throttle body | 1 (M-) - 2 (M+) | Resistance: 0.3 to 100 Ω at 20°C (68°F) |
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| Accelerator pedal | Accelerator position No. 1 standard voltage | Accelerator pedal is released | 0.5 to 1.1 V |
| Accelerator pedal is depressed | 2.6 to 4.5 V | ||
| Accelerator position No. 2 standard voltage | Accelerator pedal is released | 1.2 to 2.0 V | |
| Accelerator pedal is depressed | 3.4 to 5.0 V | ||
| Mass air flow meter | Engine not running 30 seconds after ignition switch is turned to ON |
Less than 0.26 g/sec. | |
| 1 (THA) - 2 (E2) | Resistance: 13.6 to 18.4 kΩ at -20°C (-4°F) 2.21 to 2.69 kΩ at 20°C (68°F) 0.49 to 0.67 kΩ at 60°C (140°F) |
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| Crankshaft position sensor | 1 - 2 | Resistance: 1630 to 2740 Ω at -10 to 50°C (14 to 122°F) 2065 to 3225 Ω at 50 to 100°C (122 to 212°F) |
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| Engine coolant temperature sensor | 1 - 2 | Resistance: 2.32 to 2.59 kΩ at 20°C (68°F) 0.310 to 0.326 kΩ at 80°C (176°F) |
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| Knock sensor | 1 - 2 | Resistance: 120 to 280 kΩ Always |
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| Air fuel ratio sensor | (HA1A) - (+B) | Resistance: 1.6 to 3.2 Ω at 20°C (68°F) |
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| (HA1A) - (A1A-) | Resistance: 10 kΩ or higher |
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| Heated oxygen sensor | 2 (HT1B) - 1 (+B) | Resistance: 11 to 16 Ω at 20°C (68°F) |
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| 2 (HT1B) - 3 (E2) | Resistance: 10 kΩ or higher |
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| Integration relay (EFI MAIN RELAY) |
1E-1 - 1B-4 | Resistance: 10 kΩ or higher (Battery voltage is not applied between terminals 1B-3 and 1B-2) |
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| Resistance: Below 1 Ω (Battery voltage is applied between terminals 1B-3 and 1B-2) |
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| Integration relay (IG2 RELAY) |
1E-1 - 1A-4 | Resistance: 10 kΩ or higher (Battery voltage is not applied between terminals 1A-2 and 1A-3) |
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| Resistance: Below 1 Ω (Battery voltage is applied between terminals 1A-2 and 1A-3) |
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| Integration relay (HORN RELAY) |
1E-1 - 1A-8 | Resistance: 10 kΩ or higher (Battery voltage is not applied between terminals 1A-6 and 1A-7) |
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| Resistance: Below 1 Ω (Battery voltage is applied between terminals 1A-6 and 1A-7) |
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| Circuit opening relay | 2A-8 - 2B-11 | Resistance: 10 kΩ or higher (Battery voltage is not applied between terminals 2B-10 and 2B-9) |
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| Resistance: Below 1 Ω (Battery voltage is applied between terminals 2B-10 and 2B-9) |
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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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