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.
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HOMESERVICE MANUALSTOYOTA2010TACOMA BASE, 4D PICKUP, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSENGINE CONTROL SYSTEM (1GR-FE) (SERVICE SPECIFICATIONS)1GR-FE ENGINE CONTROL SYSTEMSERVICE DATASERVICE DATA
2010 Toyota Tacoma Base, 4D Pickup, Standard
Service Data
2010 Toyota Tacoma Base, 4D Pickup, StandardSECTION Service Data
| Camshaft timing oil control valve assembly | VVT system is OFF (OCV is OFF) | Normal engine speed | |
| VVT system is ON (OCV is ON) | Rough idle or engine stalled | ||
| Throttle body | Standard throttle valve opening percentage | 60 % or more | |
| Accelerator pedal position sensor | Voltage (Accel Sensor Out No. 1) | Accelerator pedal released | 0.5 to 1.1 V |
| Accelerator pedal depress | 2.5 to 4.5 V | ||
| Voltage (Accel Sensor Out No. 2) | Accelerator pedal released | 1.2 to 2.0 V | |
| Accelerator pedal depress | 3.4 to 5.0 V | ||
| Camshaft timing oil control valve assembly | Resistance | at 20°C (68°F) | 6.9 to 7.9 Ω |
| Crankshaft position sensor | Resistance | at 20°C (68°F) | 1850 to 2450 Ω |
| Mass air flow meter (using the Intelligent Tester) |
Ignition switch ON (IG) | Less than 0.72 g/sec. | |
| Engine coolant temperature sensor | Resistance | at 20°C (68°F) | 2.32 to 2.59 kΩ |
| at 80°C (176°F) | 0.310 to 0.326 kΩ | ||
| Throttle With Motor body | Resistance | 1 (M-) - 2 (M+) | 0.3 to 100 Ω at 20 °C (68 °F) |
| Knock sensor | Resistance | at 20°C (68°F) | 120 to 180 Ω |
| Circuit opening relay | Resistance (3 - 5) | Standard | 10 kΩ or higher |
| Below 1 Ω (Apply battery voltage to terminals 1 and 2) | |||
| EFI relay | Specified condition | Standard | 10 kΩ or higher |
| Resistance (3 - 5) | Below 1 Ω (Apply battery voltage to terminals 1 and 2) | ||
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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.