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.
2005 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA - ENGINE CONTROL SYSTEM
| Camshaft timing oil control valve assy 1 (+)-2 (-) | 6.9 to 7.9 Ω at 20°C (68°F) |
| Resistance 1 (+)-2 (-) | 6.9 to 7.9 Ω at 20°C (68°F) |
| Mass air flow meter 4 (THA)-5 (E2) | 13.6 to 18.4 kΩ at -20°C (-4°F) |
| Resistance 4 (THA)-5 (E2) | 13.6 to 18.4 kΩ at -20°C (-4°F) |
| Resistance 4 (THA)-5 (E2) | 2.21 to 2.68 kΩ at 20°C (68°F) |
| Resistance 4 (THA)-5 (E2) | 0.493 to 0.667 kΩ at 60°C (140°F) |
| Engine coolant temperature sensor 1 (E2) - 2 (THW) | 2.32 to 2.59 kΩ at 20°C (68°F) |
| Resistance 1 (E2) - 2 (THW) | 0.310 to 0.326 kΩ at 80°C (176°F) |
| Throttle w/ motor body assy 1 (M+)-2 (M+) | 60% or more |
| Throttle valve opening percentage 1 (M+)-2 (M+) | 60% or more |
| Idle speed 1 (M+)-2 (M+) | 950 to 1, 050 rpm |
| Resistance (Throttle control motor) 1 (M+)-2 (M+) | 0.3 to 100 Ω at 20°C (68°F) |
| Resistance (Throttle position sensor) 1 (VC)-4 (E2) | 1.25 to 2.35 Ω at 20°C (68°F) |
| Knock sensor 1 (Ground)-2 (Output) | 120 to 280 kΩ at 20°C (68°F) |
| Resistance 1 (Ground)-2 (Output) | 120 to 280 kΩ at 20°C (68°F) |
| EFI Relay B5-B8 | 10 kΩ or higher |
| Resistance B5-B8 | Below 1 Ω (Apply battery voltage to terminal B6 and B7) |
| Circuit opening relay B5-B8 | 10 kΩ or higher |
| Resistance B5-B8 | Below 1 Ω (Apply battery voltage to terminal B6 and B7) |
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.
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